US3369502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Unarco Industries LLC
•
Filing: 1966-08-22
•
Granted: 1968-02-20
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Henry D Breen
- 👤 Russell M Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:10
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1388819A
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US2056815A
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US2629338A
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US2752864A
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US3017842A
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US3200773A
Cited
US3241502A
Cited
US3208403A
Cited
US3168055A
Cited
US3319584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |