US2687901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder
Assignee: Individual
•
Filing: 1949-06-20
•
Granted: 1954-08-31
•
Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 Wiser Guy Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:27
CPC Classifications
B; B42; B42F; B42F11/00; B42F11/02; B24; B24D; B24D9/00; B24D9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US767277A
Cited
US808793A
Cited
US1913152A
Cited
US1964851A
Cited
US2016588A
Cited
US2108508A
Cited
CH195185A
Cited
US2241312A
Cited
US2290663A
Cited
US2390125A
Cited
US2579488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |