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US2597014A
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Assignee: Individual
•
Filing: 1949-08-26
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Granted: 1952-05-20
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Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Frank N Mariani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:21
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; Y; Y10; Y10S; Y10S220/00; Y10S220/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1467609A
Cited
US1982879A
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US2145758A
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US2247509A
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US2224385A
Cited
US2345809A
Cited
US2414909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |