US2788683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line reaming and boring machine
Assignee: Individual
•
Filing: 1954-01-14
•
Granted: 1957-04-16
•
Expires: 1974-01-14
Abstract
No abstract record available.
Inventors
- 👤 William H Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:32
CPC Classifications
B; B23; B23D; B23D75/00; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/553; Y10T408/561; Y10T408/5626; Y10T408/563; Y10T408/5638
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US308842A
Cited
US962474A
Cited
US1179511A
Cited
US1368484A
Cited
DE459122C
Cited
US1774701A
Cited
US1903576A
Cited
US2091628A
Cited
US2670635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |