US1355838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instantaneous heater
Assignee: PETER E LEMIEUX
•
Filing: 1919-09-22
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Granted: 1920-10-19
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Expires: 1939-09-22
Abstract
No abstract record available.
Inventors
- 👤 Charles D Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:30
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102
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) | 1923-10-19 | 1924-04-19 | 1924-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-10-19 | 1928-04-19 | 1928-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-10-19 | 1932-04-19 | 1932-10-19 | $7700.00 | Window Closed / Lapsed |