Patent US1220635A successfully refreshed from Google Patents.
US1220635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature indicating and recording apparatus.
Assignee: Individual
•
Filing: 1915-01-12
•
Granted: 1917-03-27
•
Expires: 1935-01-12
Abstract
No abstract record available.
Inventors
- 👤 J A Hunter
- 👤 D Edge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:50
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/04; G01K13/08; Y; Y10; Y10S; Y10S425/00; Y10S425/235; Y10T; Y10T24/00; Y10T24/21; Y10T24/2183
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-03-26 | 1920-09-25 | 1921-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-03-26 | 1924-09-25 | 1925-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-03-26 | 1928-09-25 | 1929-03-27 | $7700.00 | Window Closed / Lapsed |