US3474501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for regulating the quantity delivered by a tuft feeder to cards
Assignee: Individual
•
Filing: 1967-11-21
•
Granted: 1969-10-28
•
Expires: 1987-11-21
Abstract
No abstract record available.
Inventors
- 👤 Walter Jeanmaire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:05
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SU182032A1
Cited
US2889030A
Cited
US3116801A
Cited
GB930873A
Cited
US3169664A
Cited
US3291233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |