US2898995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demand shear with means to alternately brake and accelerate a continuously moving web
Assignee: RCA Corp
•
Filing: 1954-03-29
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Granted: 1959-08-11
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 William F Funnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:51
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/20; B26D5/30; B26D5/34; B23; B23D; B23D33/00; B23D33/006; B23D33/02; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/4594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1873057A
Cited
US1951844A
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US2077439A
Cited
US2475432A
Cited
US2623590A
Cited
US2674308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |