US2676087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording device
Assignee: Individual
•
Filing: 1950-03-20
•
Granted: 1954-04-20
•
Expires: 1970-03-20
Abstract
No abstract record available.
Inventors
- 👤 George F Wales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/02; A63F3/022; A63F3/00173; A63F3/00261; A63F2003/00264; A63F2003/00318
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529913A
Cited
US1431834A
Cited
US1443732A
Cited
US1499016A
Cited
US1532069A
Cited
US1730640A
Cited
US1750539A
Cited
US2543339A
Cited
US2569860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |