Patent US2276736A successfully refreshed from Google Patents.
US2276736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact attachment for current indicators
Assignee: Individual
•
Filing: 1941-03-31
•
Granted: 1942-03-17
•
Expires: 1961-03-31
Abstract
No abstract record available.
Inventors
- 👤 Olson Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:50
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/06788; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
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) | 1945-03-16 | 1945-09-15 | 1946-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-16 | 1949-09-15 | 1950-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-16 | 1953-09-15 | 1954-03-17 | $7700.00 | Window Closed / Lapsed |