US3266822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal forming process for shaping ends of tubes and the product thereof
Assignee: Spectrum Brands Inc
•
Filing: 1965-03-15
•
Granted: 1966-08-16
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Hinderer Gottlob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/025; F16L19/028; B; B21; B21D; B21D41/00; B21D41/02; B21D41/025; F16L19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1137955A
Cited
US1804814A
Cited
US1811277A
Cited
AT145428B
Cited
US2504448A
Cited
US2552768A
Cited
DE827487C
Cited
US3114568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |