US3458616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry spinning process and apparatus
Assignee: EIDP Inc
•
Filing: 1967-05-11
•
Granted: 1969-07-29
•
Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Algernon P Guess Jr
- 👤 Donald C Kiscaden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:39
CPC Classifications
D; D01; D01D; D01D4/00; D01D5/00; D01D5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2968834A
Cited
US2980492A
Cited
US3161914A
Cited
US3199281A
Cited
US3197813A
Cited
US3408277A
Cited
US3412191A
Cited
US3342027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |