US3104161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal blank with extruded portion of non-circular cross section
Assignee: Textron Industries Inc
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Filing: 1960-07-05
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Granted: 1963-09-17
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Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/56; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885288A
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US2335590A
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US2352982A
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GB651091A
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US2621344A
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CH278340A
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US2846056A
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US3072933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |