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US2876978A
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US
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Assignee: Individual
•
Filing: 1956-04-04
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Granted: 1959-03-10
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Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robinson Eliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:09
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/54; A47B57/56; A47B57/565
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772853A
Cited
US1852598A
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US1863565A
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US2208234A
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US2263282A
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US2345650A
Cited
US2453007A
Cited
US2788902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |