US2872031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1956-06-22
•
Granted: 1959-02-03
•
Expires: 1976-06-22
Abstract
No abstract record available.
Inventors
- 👤 Paul W Lindberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:38
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/12; B65D5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1485438A
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US1593279A
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US1635976A
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US1731752A
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GB317371A
Cited
US2252854A
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US2285220A
Cited
US2358569A
Cited
US2638261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |