US2487683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-acting springing and thermostatic plate
Assignee: Metals and Controls Corp
•
Filing: 1946-05-10
•
Granted: 1949-11-08
•
Expires: 1966-05-10
Abstract
No abstract record available.
Inventors
- 👤 Harold M Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:36
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1895592A
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US1895591A
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US1988345A
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US2157560A
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US2258875A
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US2317831A
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US2264902A
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US2299562A
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US2363280A
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US2340615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |