Patent JPS63276632A successfully refreshed from Google Patents.
US2458256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water carburetor
Assignee: Individual
•
Filing: 1946-05-14
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Granted: 1949-01-04
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Expires: 1966-05-14
Abstract
No abstract record available.
Inventors
- 👤 Harold E Crozier
- 👤 Albert G H Vanderpoel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:49
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0221; F02M25/0225; F02M25/025; F02M25/028; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1727197A
Cited
GB384689A
Cited
US1972686A
Cited
US2040020A
Cited
GB465474A
Cited
US2108556A
Cited
US2441301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |