Patent US2299251A successfully refreshed from Google Patents.
US2299251A
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Assignee: Individual
•
Filing: 1941-10-15
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Granted: 1942-10-20
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Expires: 1961-10-15
Abstract
No abstract record available.
Inventors
- 👤 Albert C Perbal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:23
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/08; F16M11/20; F16M11/2007; F16M11/2035; F16M11/2064; F16M11/2092; F16M11/24; F16M13/00; F16M13/02; F16M13/022; F16M2200/00; F16M2200/04; F16M2200/044
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) | 1945-10-19 | 1946-04-20 | 1946-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-19 | 1950-04-20 | 1950-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-19 | 1954-04-20 | 1954-10-20 | $7700.00 | Window Closed / Lapsed |