US2848930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pavement widening machine
Assignee: Individual
•
Filing: 1955-04-28
•
Granted: 1958-08-26
•
Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Thompson Seaborn Estill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:00
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/18; E01C19/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1393341A
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US1878278A
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US1724054A
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US2089094A
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US1993656A
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US2054437A
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US2403820A
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US2522610A
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US2757587A
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US2779508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |