US3067491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of hollow articles
Assignee: Individual
•
Filing: 1956-12-10
•
Granted: 1962-12-11
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Robert M Neel
- 👤 Ulric R Jaeger
- 👤 Jr Clarence A Isbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:58
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/12417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066085A
Cited
US2432365A
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US2479702A
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US2582358A
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US2690002A
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US2599554A
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US2822194A
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US2728317A
Cited
US2749867A
Cited
US2779223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |