US2954054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced multi-tube structure
Assignee: PACK Manufacturing CO
•
Filing: 1957-02-25
•
Granted: 1960-09-27
•
Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Robert S Shelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:22
CPC Classifications
B; B31; B31C; B31C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633229A
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US1959426A
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US2076210A
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US2261621A
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US2382573A
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US2634759A
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US2676745A
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US2691499A
Cited
US2671384A
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US2714395A
Cited
US2754044A
Cited
US2829700A
Cited
US2783692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |