US2883991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouthpiece
Assignee: Individual
•
Filing: 1955-07-18
•
Granted: 1959-04-28
•
Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 Daniel K Copell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:15
CPC Classifications
A; A24; A24F; A24F1/00; A24F2700/00; A24F2700/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE514612A
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US525465A
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GB190313123A
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DE571080C
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US2098983A
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US2100051A
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GB492628A
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US2158301A
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US2185598A
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US2314585A
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US2580974A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |