Patent US3442278A successfully refreshed from Google Patents.
US3442278A
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US
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Temperature sensitive switch
Assignee: Lockheed Martin Corp
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Filing: 1966-02-28
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Granted: 1969-05-06
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Rudolph S Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:02
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/04; F15B; F15B5/00; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2191; Y10T137/2196; Y10T137/2229; Y10T137/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3171421A
Cited
US3273377A
Cited
US3331378A
Cited
US3335737A
Cited
US3362422A
Cited
US3361149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |