US3173677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drafting-sheet clamp
Assignee: Individual
•
Filing: 1963-04-19
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Granted: 1965-03-16
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Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Guyot Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:51
CPC Classifications
B; B43; B43L; B43L5/00; B43L5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A CLAMP FOR HOLDING A DRAFTING SHEET ON A DRAFTING BOARD, AN ELONGATED OPEN ENDED CHANNEL ELEMENT ADAPTED TO BE POSITIONED LONGITUDINALLY ASTRIDE THE EDGE OF A DRAFTING BOARD, SAID CHANNEL ELEMENT HAVING AN UPPER SIDE MEMBER ADAPTED TO OVERLIE AND SEAT ON A DRAFTING SHEET IMPOSED ON THE BOARD AND HAVING A LOWER SIDE MEMBER ADAPTED TO UNDERLIE THE BOARD IN SPACED RELATION THERETO, AN ELONGATED LEAF HINGEDLY MOUNTED ON SAID LOWER SIDE MEMBER FOR VERTICAL SWINGING MOVEMENT THEREON, AND MEANS FOR SWINGING SAID LEAF UPWARDLY TO COLLECTIVELY CLAMP SAID CHANNEL ELEMENT AND DRAFTING SHEET RELATIVE TO SAID BOARD.
Claim 2
Dependent Claim
101 words
IN A CLAMP FOR HOLDING A DRAFTING SHEET ON A DRAFTING BOARD, AN ELONGATED OPEN ENDED CHANNEL ELEMENT ADAPTED TO BE POSITIONED LONGITUDINALLY ASTRIDE THE EDGE OF A DRAFTING BOARD, SAID CHANNEL ELEMENT HAVING AN UPPER SIDE MEMBER ADAPTED TO OVERLIE AND SEAT ON A DRAFTING SHEET IMPOSED ON THE BOARD AND HAVING A LOWER SIDE MEMBER ADAPTED TO UNDERLIE THE BOARD IN SPACED RELATION THERETO, AN ELONGATED LEAF HINGEDLY MOUNTED ON SAID LOWER SIDE MEMBER FOR VERTICAL SWINGING MOVEMENT THEREON, AND MEANS FOR SWINGING SAID LEAF UPWARDLY TO COLLECTIVELY CLAMP SAID CHANNEL ELEMENT AND DRAFTING SHEET RELATIVE TO SAID BOARD.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |