US2870938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cane loading for spud inserting machine
Assignee: Westinghouse Electric Corp
•
Filing: 1953-06-25
•
Granted: 1959-01-27
•
Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 John P Sirles
- 👤 May Frederick Theodore
- 👤 Eberiel Herman James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:06
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1492602A
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US2622459A
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US2654465A
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US2721684A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |