US3049167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making glued cell formers
Assignee: Crown Zellerbach Canada Ltd
•
Filing: 1960-02-29
•
Granted: 1962-08-14
•
Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Vesak Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:33
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/002; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1052; Y10T156/1084; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724; Y10T156/1739; Y10T83/00; Y10T83/444; Y10T83/4594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2619444A
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US2494437A
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US2549802A
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US2670026A
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US2670314A
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US2610934A
Cited
US2636540A
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US2719807A
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US2926720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |