US2622836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting
Assignee: Individual
•
Filing: 1945-07-07
•
Granted: 1952-12-23
•
Expires: 1965-07-07
Abstract
No abstract record available.
Inventors
- 👤 Norman E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:15
CPC Classifications
F; F16; F16F; F16F13/00; F16F13/04; F16F13/06; F16F13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR385912A
Cited
US1574985A
Cited
FR620856A
Cited
AT145358B
Cited
US2080919A
Cited
US2110701A
Cited
GB501167A
Cited
FR50180E
Cited
US2379763A
Cited
US2562195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |