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Patent US3430283A successfully refreshed from Google Patents.
US3430283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing buff
Assignee: Schlegel Manufacturing Co
•
Filing: 1967-08-09
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Granted: 1969-03-04
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Expires: 1987-08-09
Abstract
No abstract record available.
Inventors
- 👤 Edward F Engel
- 👤 Harry S Scherzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:38
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2329222A
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US2808688A
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US2961681A
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US3007189A
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US3007289A
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US3038279A
Cited
US3308522A
Cited
US3320113A
Cited
US3348256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |