Patent US3234838A successfully refreshed from Google Patents.
US3234838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube piercing apparatus
Assignee: Individual
•
Filing: 1963-10-04
•
Granted: 1966-02-15
•
Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 James K Faull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:54
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/28; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0596; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/75; Y10T83/7573; Y10T83/869; Y10T83/8821; Y10T83/8855; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1241255A
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US1230319A
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US1895589A
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US2173730A
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US2670795A
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US2632511A
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US2699830A
Cited
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Cited
US3027793A
Cited
US3120143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |