US1458876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boiler and water heater
Assignee: Individual
•
Filing: 1923-01-15
•
Granted: 1923-06-12
•
Expires: 1943-01-15
Abstract
No abstract record available.
Inventors
- 👤 Confer Joe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:53
CPC Classifications
F; F24; F24D; F24D12/00; F24D12/02; F24D2200/00; F24D2200/16; F24D2200/18; Y; Y02; Y02B; Y02B30/00
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) | 1926-06-11 | 1926-12-11 | 1927-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-06-11 | 1930-12-11 | 1931-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-06-11 | 1934-12-11 | 1935-06-12 | $7700.00 | Window Closed / Lapsed |