US2640336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting connection
Assignee: Patent Developers Inc
•
Filing: 1949-04-21
•
Granted: 1953-06-02
•
Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Albert F Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:11
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19688; Y10T74/19693
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |