US3452922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: P D C PACKAGING Inc
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Filing: 1967-09-27
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Granted: 1969-07-01
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Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:34
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/1683
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA706737A
Cited
US2788121A
Cited
GB951232A
Cited
FR1372008A
Cited
US3339823A
Cited
US3313470A
Cited
US3363827A
Cited
FR1447571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |