Patent US2944437A successfully refreshed from Google Patents.
US2944437A
Expired / Lapsed
US
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Method of making feed screw stop
Assignee: Ferro Stamping Co
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Filing: 1958-07-14
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Granted: 1960-07-12
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Pickles Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:57
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2015; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/49796; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1457749A
Cited
US1937473A
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US1999027A
Cited
US2356861A
Cited
US2394812A
Cited
US2590251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |