US2847876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Individual
•
Filing: 1952-07-03
•
Granted: 1958-08-19
•
Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 George W Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:42
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H63/00; F16H63/02; F16H63/30; F16H2718/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE201805C
Cited
GB151013A
Cited
US1642452A
Cited
GB287234A
Cited
US1832822A
Cited
US1976090A
Cited
US2422343A
Cited
US2482784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |