US3305976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lapping method and apparatus
Assignee: Ricoh Printing Systems America Inc
•
Filing: 1964-05-07
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Granted: 1967-02-28
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Wallace W Koskie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:13
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/10; B24B37/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
APPARATUS FOR RESHAPING A SURFACE ON A MECHANICAL MEMBER SO AS TO GIVE THE SURFACE A PRECISE CURVATURE, SAID APPARATUS COMPRISING: A SUBSTANTIALLY FLAT HORIZONTALLY RIENTED PLATE; SAID MEMBER SUPPORTED ON SAID PLATE WITH SAID SURFACE IN ENGAGEMENT THEREWITH; MEANS FOR DISTORTING SAID PLATE TO SAID PRECISE CURVATURE; AND MEANS FOR MOVING SAID MEMBER IN A SUBSTANTIALLY RANDOM MANNER OVER SAID PLATE.
Claim 2
Dependent Claim
62 words
APPARATUS FOR RESHAPING A SURFACE ON A MECHANICAL MEMBER SO AS TO GIVE THE SURFACE A PRECISE CURVATURE, SAID APPARATUS COMPRISING: A SUBSTANTIALLY FLAT HORIZONTALLY RIENTED PLATE; SAID MEMBER SUPPORTED ON SAID PLATE WITH SAID SURFACE IN ENGAGEMENT THEREWITH; MEANS FOR DISTORTING SAID PLATE TO SAID PRECISE CURVATURE; AND MEANS FOR MOVING SAID MEMBER IN A SUBSTANTIALLY RANDOM MANNER OVER SAID PLATE.
References Cited (Backward Citations)
US1212628A
Cited
US1257047A
Cited
US1988649A
Cited
US2319417A
Cited
US2405344A
Cited
US3050909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |