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US3430767A
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Assignee: HAROLD L LAWALIN
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Filing: 1965-10-08
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Granted: 1969-03-04
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Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Harold L Lawalin
- 👤 Kenneth Skirvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:40
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
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US3233564A
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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 |