US3462208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawer form
Assignee: Individual
•
Filing: 1966-12-27
•
Granted: 1969-08-19
•
Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 William Horace Black
- 👤 Clarence Edward Pittman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:58
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0011; A; A47; A47B; A47B88/00; A47B88/90; A47B88/941; A47B88/9412; A47B88/9414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US418447A
Cited
US2488916A
Cited
US2467698A
Cited
US2739734A
Cited
US3207357A
Cited
US3184071A
Cited
US3282635A
Cited
US3377115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |