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US2911765A
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Assignee: Individual
•
Filing: 1953-07-20
•
Granted: 1959-11-10
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Clara B Studler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:43
CPC Classifications
B; B24; B24B; B24B15/00; B24B15/04; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/34; Y10T279/3481; Y10T279/3493
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |