Patent US1973505A successfully refreshed from Google Patents.
Patent US1500286A successfully refreshed from Google Patents.
US1500286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater
Assignee: Individual
•
Filing: 1922-11-07
•
Granted: 1924-07-08
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Expires: 1942-11-07
Abstract
No abstract record available.
Inventors
- 👤 Terriault Joseph Alexis Ovila
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:17
CPC Classifications
F; F28; F28D; F28D21/00; F01; F01K; F01K5/00; F01K5/02; F28D7/00; F28D7/16; F28F; F28F9/00; F28F9/02; F28F9/04; F28F9/06; F28F9/10; Y; Y10; Y10S; Y10S165/00; Y10S165/051; Y10S165/052; Y10S165/067; Y10S165/068
Claims Analysis
Total Claims: 0
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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) | 1927-07-08 | 1928-01-07 | 1928-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-08 | 1932-01-07 | 1932-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-08 | 1936-01-07 | 1936-07-08 | $7700.00 | Window Closed / Lapsed |