US3034619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive system
Assignee: STEEL PRODUCTS ENG CO
•
Filing: 1959-11-30
•
Granted: 1962-05-15
•
Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 James S Glasgow
- 👤 Richard H Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:52
CPC Classifications
F; F16; F16D; F16D41/00; B; B64; B64C; B64C13/00; F16B; F16B1/00; F16B1/02; F16B1/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18656; Y10T74/18696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442466A
Cited
US710759A
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US2372026A
Cited
US2525402A
Cited
US2550801A
Cited
US2939332A
Cited
US2918275A
Cited
US2983339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |