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US3469736A
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Assignee: Domtar Inc
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Filing: 1967-10-19
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Granted: 1969-09-30
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Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Richard W C Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:49
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/06; B65D71/12; B65D71/14; B65D71/24; B65D5/00; B65D5/02; B65D5/42; B65D5/44; B65D5/46; B65D5/46072; B65D5/46184; B65D71/36; B65D2571/00; B65D2571/00123; B65D2571/00129; B65D2571/00135; B65D2571/00141; B65D2571/00333; B65D2571/00339; B65D2571/00432; B65D2571/00456; B65D2571/00475; B65D2571/00481; B65D2571/00648; B65D2571/00654; B65D2571/0066; B65D2571/00709; B65D2571/00722; B65D2571/00728; B65D2571/00833; B65D2571/00839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |