US2900989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1955-01-26
•
Granted: 1959-08-25
•
Expires: 1975-01-26
Abstract
No abstract record available.
Inventors
- 👤 Davidson Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:54
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1585919A
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FR523861A
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US1950542A
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US1988805A
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GB425869A
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US2164702A
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US2221443A
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US2202839A
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US2159121A
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US2178820A
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US2181614A
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US2668544A
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US2521985A
Cited
US2695617A
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US2808057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |