US2699016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading machine
Assignee: Individual
•
Filing: 1953-11-23
•
Granted: 1955-01-11
•
Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 George G Sherrill
- 👤 David W Massey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:00
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/12; B24B21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US348177A
Cited
US1147819A
Cited
US1168514A
Cited
US2297976A
Cited
US2248191A
Cited
US2677922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |