Patent US3545138A successfully refreshed from Google Patents.
US3545138A
Expired / Lapsed
US
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Metal polishing apparatus
Assignee: Mosler Safe Co
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Filing: 1968-06-17
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Granted: 1970-12-08
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Expires: 1988-06-17
Abstract
No abstract record available.
Inventors
- 👤 Russell F Houston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:47
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/004; B24B21/04; B24B21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US897951A
Cited
US1192950A
Cited
US1684464A
Cited
US2165616A
Cited
US2284556A
Cited
US3416261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |