US2498701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill grinder
Assignee: Individual
•
Filing: 1945-04-20
•
Granted: 1950-02-28
•
Expires: 1965-04-20
Abstract
No abstract record available.
Inventors
- 👤 Munro Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:16
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/24; B24B3/26; B24B3/28; B24B3/30; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US704348A
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US777247A
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US1016891A
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US1020860A
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US1388039A
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US1417364A
Cited
US1617167A
Cited
US1481260A
Cited
US1993418A
Cited
US2098267A
Cited
FR812340A
Cited
US2209228A
Cited
US2363482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |