US1282018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-grinder.
Assignee: Albertson and Co Inc
•
Filing: 1917-09-20
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Granted: 1918-10-22
•
Expires: 1937-09-20
Abstract
No abstract record available.
Inventors
- 👤 Frans O Albertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:47
CPC Classifications
B; B24; B24B; B24B15/00; B24B15/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18424; Y10T74/18448; Y10T74/19; Y10T74/19191; Y10T74/19195; Y10T74/1956; Y10T74/19585; Y10T74/19595; Y10T74/1987; Y10T74/19874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-10-21 | 1922-04-22 | 1922-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-21 | 1926-04-22 | 1926-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-21 | 1930-04-22 | 1930-10-22 | $7700.00 | Window Closed / Lapsed |