US2080665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmitting mechanism
Assignee: AT&T Inc
•
Filing: 1933-05-03
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Granted: 1937-05-18
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Expires: 1953-05-03
Abstract
No abstract record available.
Inventors
- 👤 Einer W Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:14
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2848; B65H54/2854; B65H54/2857; B65H54/2866; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1511; Y10T74/1513; Y10T74/1518; Y10T74/1519; Y10T74/1521; Y10T74/1558; Y10T74/1587; Y10T74/1589; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812; Y10T74/18888; Y10T74/1892; Y10T74/18936
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) | 1940-05-17 | 1940-11-16 | 1941-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-17 | 1944-11-16 | 1945-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-17 | 1948-11-16 | 1949-05-18 | $7700.00 | Window Closed / Lapsed |