US3466904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tanning plant
Assignee: Individual
•
Filing: 1967-07-10
•
Granted: 1969-09-16
•
Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 Hans Huni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:37
CPC Classifications
C; C14; C14B; C14B1/00; C14B2700/00; C14B2700/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US826979A
Cited
US929852A
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US2332769A
Cited
GB557851A
Cited
US2479153A
Cited
US2571197A
Cited
US2667777A
Cited
US3071184A
Cited
US3164002A
Cited
US3349582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |