US2943426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing wheel
Assignee: Schlegel Manufacturing Co
•
Filing: 1957-11-25
•
Granted: 1960-07-05
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Carl F Schlegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:44
CPC Classifications
B; B24; B24D; B24D11/00; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US188670A
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US237395A
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US794496A
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US1298522A
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US1504272A
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US1927862A
Cited
US2100340A
Cited
US2309951A
Cited
US2548623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |