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US2659418A
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Assignee: Individual
•
Filing: 1952-02-09
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Granted: 1953-11-17
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Expires: 1972-02-09
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Berman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/0033; A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/144; A47C27/146; A47C7/00; A47C7/02; A47C7/021; A47C7/029; B29K; B29K2021/00; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1464716A
Cited
US1725479A
Cited
US2283116A
Cited
US2371788A
Cited
GB560295A
Cited
US2571209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |