US2933944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
carnagua
Assignee: —
•
Filing: —
•
Granted: 1960-04-26
•
Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:24
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/30; F16H45/00; F16H45/02; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; F16H3/72; F16H3/721; F16H48/24; F16H2048/204; F16H48/34; F16H2048/346; Y; Y10; Y10S; Y10S74/00; Y10S74/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1447837A
Cited
DE647711C
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US2008231A
Cited
US2120555A
Cited
US2051553A
Cited
US2177872A
Cited
US2127637A
Cited
US2176202A
Cited
US2183485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |