US2674507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record file
Assignee: Individual
•
Filing: 1951-07-13
•
Granted: 1954-04-06
•
Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
- 👤 Cordova William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:35
CPC Classifications
A; A47; A47B; A47B81/00; A47B81/06; A47B81/067
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US876865A
Cited
US1014929A
Cited
US1117118A
Cited
US1145712A
Cited
US1267981A
Cited
US1208346A
Cited
US1264851A
Cited
US1393065A
Cited
US1402614A
Cited
US1587200A
Cited
GB396797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |