US3420079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold projection welding,tacking,severing or metal forming
Assignee: Continental Can Co Inc
•
Filing: 1966-04-26
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Granted: 1969-01-07
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Paul M Erlandson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:25
CPC Classifications
B; B23; B23D; B23D15/00; B23D15/12; B23D15/14; B23D15/145; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/12; B23K; B23K20/00; B23K20/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |