Patent US2693169A successfully refreshed from Google Patents.
US2693169A
Expired / Lapsed
US
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Automatic feeding apparatus for laying-batteries
Assignee: Individual
•
Filing: 1951-02-08
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Granted: 1954-11-02
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Expires: 1971-02-08
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Otis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:12
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US312341A
Cited
US948661A
Cited
US1186444A
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US1392311A
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US1597929A
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US2068566A
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US2197160A
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US2043595A
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US2309458A
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US2302314A
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US2310461A
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US2280941A
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US2384900A
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US2552192A
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US2563321A
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US2535866A
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US2522449A
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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) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |