Patent US4607829A successfully refreshed from Google Patents.
US4607829A
Expired / Lapsed
US
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Clamping apparatus
Assignee: Individual
•
Filing: 1984-09-24
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Granted: 1986-08-26
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Expires: 2004-09-24
Abstract
Abstract Clamping apparatus includes a plurality of C-clamps formed with at least four spaced holes in their frames. Fasteners inserted through the holes secure juxtaposed C-clamps together in any one of many relationships, whereby a variety of workpieces may be held in desired positions.
Inventors
- 👤 Charles R. Suska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:04
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/003; B25B5/06; B25B5/10; B25B5/101
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
150 words
Clamping apparatus comprising at least two C-clamps, each of said C-clamps being formed by a frame of three sections and having at least one adjustable clamping surface, at least four holes formed in the frame of one of the C-clamps, two of the holes being located in at least two of the three sections of the frame, at least four holes formed in the frame of the second C-clamp to cooperate with the holes in the first C-clamp, the holes in the one C-clamp and the second C-clamp being spaced so that two holes in the one C-clamp register with two holes in the second C-clamp when the one and second C-clamp are juxtaposed in any one of many desired relationships, and two fasteners adapted to be inserted through the registered holes in the two C-clamps when the C-clamps are juxtaposed to hold the two C-clamps in a desired relationship.
Claim 2
Dependent Claim
150 words
Clamping apparatus comprising at least two C-clamps, each of said C-clamps being formed by a frame of three sections and having at least one adjustable clamping surface, at least four holes formed in the frame of one of the C-clamps, two of the holes being located in at least two of the three sections of the frame, at least four holes formed in the frame of the second C-clamp to cooperate with the holes in the first C-clamp, the holes in the one C-clamp and the second C-clamp being spaced so that two holes in the one C-clamp register with two holes in the second C-clamp when the one and second C-clamp are juxtaposed in any one of many desired relationships, and two fasteners adapted to be inserted through the registered holes in the two C-clamps when the C-clamps are juxtaposed to hold the two C-clamps in a desired relationship.
Claim 3
Dependent Claim
16 words
Clamping apparatus as defined in claim 1, wherein the C-clamps are identical in size and configuration.
Claim 4
Dependent Claim
20 words
Clamping apparatus as defined in claim 1, wherein the plurality of C-clamps includes at least two different sizes of C-clamps.
Claim 5
Dependent Claim
21 words
Clamping apparatus as defined in claim 1, wherein the fastener includes a spacing device to separate the C-clamps a desired distance.
Claim 6
Dependent Claim
19 words
Clamping apparatus as defined in claim 1, wherein at least one of the C-clamps includes two adjustable clamping surfaces.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |