US2762385A
Expired / Lapsed
US
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Assignee: Leeds and Northrup Co
•
Filing: 1950-04-11
•
Granted: 1956-09-11
•
Expires: 1970-04-11
Abstract
No abstract record available.
Inventors
- 👤 John J Smerke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:36
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/015; F; F23; F23N; F23N1/00; F23N1/005; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/50; G05D16/00; G05D16/04; G05D16/06; G05D16/0611; G05D23/19; G05D23/1919; G05D23/20; G05D23/22; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |