US3412916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined load cylinder and spindle for a welding machine
Assignee: Caterpillar Inc
•
Filing: 1966-06-30
•
Granted: 1968-11-26
•
Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel G Dunlap
- 👤 Rakus Alphonzo
- 👤 Eugene R Martin
- 👤 George W Vicary
- 👤 Ira H Sage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:52
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3269002A
Cited
US3349982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |