US2804322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary element and shaft assembly
Assignee: Individual
•
Filing: 1954-11-23
•
Granted: 1957-08-27
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Herzog Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/0018; F16H57/0025; F16D; F16D1/00; F16D1/06; F16D1/064; F16D1/068; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888; Y10T403/00; Y10T403/47; Y10T403/472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1424211A
Cited
US2173942A
Cited
US2493233A
Cited
US2609963A
Cited
US2651531A
Cited
US2678853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |