Patent US2923253A successfully refreshed from Google Patents.
US2923253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tie pullers
Assignee: Individual
•
Filing: 1956-04-16
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Granted: 1960-02-02
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Geier Bernard
- 👤 Jr John P Hiltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:22
CPC Classifications
E; E01; E01B; E01B29/00; E01B29/06; E01B29/09; E01B29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US124749A
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US1034072A
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US1186002A
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US1291746A
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US1466851A
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US1488040A
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US1613037A
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US1666857A
Cited
GB502507A
Cited
US2301555A
Cited
US2387087A
Cited
US2368268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |