US2849518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature indicator
Assignee: Individual
•
Filing: 1953-10-12
•
Granted: 1958-08-26
•
Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Charles M Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:53
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/023; G01K7/025; H; H01; H01R; H01R13/00; H01R13/46; H01R13/533
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1054442A
Cited
US2002532A
Cited
US2149448A
Cited
US2412564A
Cited
US2445159A
Cited
US2476099A
Cited
US2581229A
Cited
US2625573A
Cited
US2649489A
Cited
US2631179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |