Patent US1891415A successfully refreshed from Google Patents.
US2887776A
Expired / Lapsed
US
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Template
Assignee: Individual
•
Filing: 1955-11-16
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Granted: 1959-05-26
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Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 John H Eisner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:20
CPC Classifications
B; B25; B25H; B25H7/00; Y; Y10; Y10S; Y10S33/00; Y10S33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733513A
Cited
US836737A
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US945445A
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US1611930A
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US1849961A
Cited
US2547489A
Cited
US2540032A
Cited
US2775812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |