US3464203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock feeding apparatus
Assignee: Esterline Corp
•
Filing: 1967-03-15
•
Granted: 1969-09-02
•
Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 David Twersky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:43
CPC Classifications
B; B23; B23B; B23B13/00; B23B13/02; B23B13/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US994558A
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US1022865A
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US1108952A
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US1482734A
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US1955157A
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US2327916A
Cited
US2572741A
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US2701355A
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US2635427A
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US2830859A
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US2814540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |