US2994100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doors for rubber mixers or the like
Assignee: Farrel Birmingham Co Inc
•
Filing: 1958-11-06
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Granted: 1961-08-01
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Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Richard N Comes
- 👤 Richard W Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/22; B29B7/26; B29B7/263; B29B7/06; B29B7/10; B29B7/18; B29B7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |