US2721487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary gearing drive systems
Assignee: MOREY MACHINERY CO Inc
•
Filing: 1952-11-13
•
Granted: 1955-10-25
•
Expires: 1972-11-13
Abstract
No abstract record available.
Inventors
- 👤 Sigmund M Morey
- 👤 Secondo L Casella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:50
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309184; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1257462A
Cited
US1379833A
Cited
US1607986A
Cited
US1814096A
Cited
US2220174A
Cited
US2259729A
Cited
US2251625A
Cited
US2222813A
Cited
US2307285A
Cited
US2555454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |