US2643903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knob and shaft connection
Assignee: Lectra Products Co
•
Filing: 1949-05-18
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Granted: 1953-06-30
•
Expires: 1969-05-18
Abstract
No abstract record available.
Inventors
- 👤 Nathan Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:19
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US798271A
Cited
US1954062A
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US2030700A
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US2225594A
Cited
US2242591A
Cited
US2172977A
Cited
US2179383A
Cited
US2487490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |