US3401818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open top tank and covering for the contents thereof
Assignee: Allplas AG
•
Filing: 1967-05-15
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Granted: 1968-09-17
•
Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 Hagen Reinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:07
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/38; B65D90/42; A; A62; A62C; A62C3/00; A62C3/06; B65D88/00; B65D88/34; B65D88/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR366281A
Cited
US1404924A
Cited
GB269706A
Cited
US2710832A
Cited
DE1060323B
Cited
FR1192877A
Cited
US3292840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |