Patent US2081797A successfully refreshed from Google Patents.
US2081797A
Expired / Lapsed
US
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Clamp
Assignee: Individual
•
Filing: 1936-04-22
•
Granted: 1937-05-25
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Expires: 1956-04-22
Abstract
No abstract record available.
Inventors
- 👤 Figlia Vincent Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:42
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/08; B; B01; B01L; B01L9/00; B01L9/04; F21V21/088; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/44; Y10T24/44291; Y10T24/4453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-05-24 | 1940-11-23 | 1941-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-24 | 1944-11-23 | 1945-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-24 | 1948-11-23 | 1949-05-25 | $7700.00 | Window Closed / Lapsed |