US2936607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1957-06-19
•
Granted: 1960-05-17
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Watrous A Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:20
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00563; G07C9/30; G07C9/32; G07C9/37; Y; Y10; Y10S; Y10S70/00; Y10S70/51; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2010543A
Cited
FR998272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |