US2904820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Tinnerman Products Inc
•
Filing: 1956-06-11
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Granted: 1959-09-22
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Laurence H Flora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:02
CPC Classifications
E; E05; E05F; E05F5/00; E05F5/06; E05F5/02; F; F16; F16B; F16B37/00; F16B37/04; F16B37/041; F16B37/043; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947; Y10S411/955; Y10S411/965; Y10S411/97
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563876A
Cited
US1908839A
Cited
US2054471A
Cited
USRE21769E
Cited
US2417263A
Cited
US2417262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |