US2921708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoppers
Assignee: Individual
•
Filing: 1953-11-23
•
Granted: 1960-01-19
•
Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Marcel Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:35
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/0005; B65D39/0029; B65D39/0023; B65D2539/00; B65D2539/001; B65D2539/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US494361A
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CH74927A
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US1340237A
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US1817218A
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US2196785A
Cited
US2549404A
Cited
FR928158A
Cited
US2526225A
Cited
US2526622A
Cited
US2670869A
Cited
US2669370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |