US2668349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring winding machine
Assignee: Motors Liquidation Co
•
Filing: 1950-06-20
•
Granted: 1954-02-09
•
Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 Darin William
- 👤 Joseph J Palid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:32
CPC Classifications
B; B21; B21F; B21F3/00; G; G04; G04D; G04D1/00; G04D1/04; G04D1/041; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T29/53613; Y10T29/53626
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US812779A
Cited
US1513827A
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US1790218A
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US1944360A
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US2154071A
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US2296964A
Cited
US2359575A
Cited
US2493590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |