US3430347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension trammel
Assignee: CLARENCE T MINNIEAR
•
Filing: 1967-09-15
•
Granted: 1969-03-04
•
Expires: 1987-09-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence T Minniear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:20
CPC Classifications
B; B43; B43L; B43L9/00; B43L9/02; B43L9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720507A
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US787766A
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US811237A
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US1345236A
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US2324041A
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US2539097A
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US2551671A
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GB696947A
Cited
US2832140A
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US2867042A
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US3156981A
Cited
US3264736A
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 |