US3001251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wedge type door gasket
Assignee: Midwest Manuf Corp
•
Filing: 1957-08-06
•
Granted: 1961-09-26
•
Expires: 1977-08-06
Abstract
No abstract record available.
Inventors
- 👤 Leslie M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:54
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2327580A
Cited
US2528705A
Cited
FR1064972A
Cited
US2680888A
Cited
US2746103A
Cited
US2823430A
Cited
US2848766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |