US3040372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door closer mechanism
Assignee: OSCAR C RIXSON CO
•
Filing: 1958-12-19
•
Granted: 1962-06-26
•
Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 David H Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/04; E05F3/10; E05F3/102; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10T; Y10T403/00; Y10T403/32; Y10T403/32541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147909A
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US1921314A
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US2024472A
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US2116185A
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US2045076A
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US2460369A
Cited
US2471707A
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US2571279A
Cited
US2770003A
Cited
US2903733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |