US1033103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-heater.
Assignee: Individual
•
Filing: 1912-02-08
•
Granted: 1912-07-23
•
Expires: 1932-02-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Humphrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:51
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026; G05D23/027
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) | 1915-07-23 | 1916-01-22 | 1916-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-23 | 1920-01-22 | 1920-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-23 | 1924-01-22 | 1924-07-23 | $7700.00 | Window Closed / Lapsed |