Patent US2598565A successfully refreshed from Google Patents.
US2598565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Posthole digger
Assignee: Individual
•
Filing: 1948-08-05
•
Granted: 1952-05-27
•
Expires: 1968-08-05
Abstract
No abstract record available.
Inventors
- 👤 Silas P Lagant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:18
CPC Classifications
E; E21; E21B; E21B11/00; E21B11/005; E21B3/00; E21B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US469290A
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US1139275A
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US1238388A
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US1383041A
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US1398551A
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US1882350A
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US2016667A
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US2038626A
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US2201733A
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US2250670A
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US2403041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |