US3538862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: PATRIARCA PRODUCTS Inc
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Filing: 1968-08-05
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Granted: 1970-11-10
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Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Dirk R Patriarca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:38
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/0081; A47F5/0087; A47B; A47B57/00; A47B57/30; A47B57/48; A47B57/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |