US3506286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic collar for the orifice of a vessel
Assignee: RHEEM PACIFIC PACKAGING CORP
•
Filing: 1967-09-11
•
Granted: 1970-04-14
•
Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Marcel Defauw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/10; B65D25/00; B65D25/38; B65D25/40; B65D25/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1689510A
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US2167654A
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US2369895A
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US2651528A
Cited
GB682480A
Cited
US2687931A
Cited
US2772017A
Cited
US2916311A
Cited
US3080182A
Cited
US3358357A
Cited
US3342366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |