Patent US2101746A successfully refreshed from Google Patents.
US2101746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clamp
Assignee: —
•
Filing: —
•
Granted: 1937-12-07
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Expires: 1954-12-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:43
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/12; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; Y; Y10; Y10S; Y10S409/00; Y10S409/903; Y10T; Y10T24/00; Y10T24/44; Y10T24/44017; Y10T24/44573; Y10T24/44581; Y10T24/4459; Y10T24/44598; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/20; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309912
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) | 1940-12-06 | 1941-06-07 | 1941-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-06 | 1945-06-07 | 1945-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-06 | 1949-06-07 | 1949-12-07 | $7700.00 | Window Closed / Lapsed |