Patent US3372564A successfully refreshed from Google Patents.
US3372564A
Expired / Lapsed
US
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Method for shaping metal tubes
Assignee: SubCom Cable Systems LLC
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Filing: 1965-04-19
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Granted: 1968-03-12
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 George J Crowdes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:46
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04; B21D15/06; B21D26/00; B21D26/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2976907A
Cited
US3203211A
Cited
US3212311A
Cited
US3256846A
Cited
US3288006A
Cited
US3286497A
Cited
US3253443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |