Patent US2873514A successfully refreshed from Google Patents.
US2873514A
Expired / Lapsed
US
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Cam-actuated coil inserter
Assignee: AO Smith Corp
•
Filing: 1954-12-31
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Granted: 1959-02-17
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Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Mills Stephen Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:52
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/06; H02K15/062; H02K15/065; H02K15/066; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53143; Y10T29/53526; Y10T29/5353
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1538187A
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US2272263A
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US2257318A
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US2341677A
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US2468223A
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US2492911A
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US2506173A
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US2592420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |