Patent US2940267A successfully refreshed from Google Patents.
US2940267A
Expired / Lapsed
US
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Post driver and puller
Assignee: Individual
•
Filing: 1953-04-27
•
Granted: 1960-06-14
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Glenn F Shaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:17
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/26; E04H17/261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2731892A
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US2335172A
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US2487530A
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US2476390A
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US2550325A
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US2659583A
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US2659584A
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US2681789A
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US2689104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |