US2697365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission equipment
Assignee: Individual
•
Filing: 1950-06-16
•
Granted: 1954-12-21
•
Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Earl C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:20
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/42; F16H3/423; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19335; Y10T74/1934; Y10T74/19642; Y10T74/19698
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190616792A
Cited
US877765A
Cited
FR380965A
Cited
US1339643A
Cited
US1484197A
Cited
US1606867A
Cited
DE539975C
Cited
GB396768A
Cited
US2234653A
Cited
US2209023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |