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US3440997A
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Temperature indicating device
Assignee: Avco Corp
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Filing: 1966-07-11
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Granted: 1969-04-29
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Neil E Rogen
- 👤 Russell J Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:56
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/48; G01K5/483; C; C22; C22F; C22F1/00; C22F1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237705A
Cited
US3174851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |