US3524043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-indicating and control apparatus
Assignee: Findlay Irvine Ltd
•
Filing: 1967-03-27
•
Granted: 1970-08-11
•
Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 John A Irvine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/20; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2717957A
Cited
US3164820A
Cited
US3157800A
Cited
US3229271A
Cited
US3308271A
Cited
US3311172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |