Patent CH82707A successfully refreshed from Google Patents.
Patent US2714512A successfully refreshed from Google Patents.
Patent US2773670A successfully refreshed from Google Patents.
Patent US4614949A successfully refreshed from Google Patents.
Patent US1322764A successfully refreshed from Google Patents.
US1322764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
chago
Assignee: —
•
Filing: —
•
Granted: 1919-11-25
•
Expires: 1936-11-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:08
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0827; F01C21/0836
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1922-11-24 | 1923-05-26 | 1923-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-11-24 | 1927-05-26 | 1927-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-11-24 | 1931-05-26 | 1931-11-25 | $7700.00 | Window Closed / Lapsed |