US3472180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side filler
Assignee: Unarco Industries LLC
•
Filing: 1968-08-27
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Granted: 1969-10-14
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Expires: 1988-08-27
Abstract
No abstract record available.
Inventors
- 👤 Russell M Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:59
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/135; B60P7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1825452A
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US2837038A
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US2958873A
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US3017843A
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US3022037A
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US3095830A
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US3212458A
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US3176629A
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US3168055A
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US3344750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |