Patent US3376640A successfully refreshed from Google Patents.
US3376640A
Expired / Lapsed
US
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Combined knife and fork
Assignee: ALFRED S KRAMER
•
Filing: 1966-07-13
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Granted: 1968-04-09
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred S Kramer
- 👤 Milton J Sondell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:11
CPC Classifications
A; A47; A47G; A47G21/00; A47G21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US96134A
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US546376A
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US1324565A
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GB109739A
Cited
US2753470A
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US2945298A
Cited
US2908077A
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US3143798A
Cited
US3193925A
Cited
US3195232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |