US3077633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spinning synthetic filaments and fibers of increased bulk and stiffness
Assignee: Eastman Kodak Co
•
Filing: 1958-05-15
•
Granted: 1963-02-19
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 David W Raynolds
- 👤 Arthur S Smith
- 👤 Frank W Abernathy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:13
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A SPINNERETTE HAVING FILAMENT FORMING ORIFICES IN THE FORM OF EQUILATERAL TRIANGLES WHOSE APICES HAVE BEEN ROUNDED OFF TO ARCS OF EQUAL RADII.
Claim 2
Dependent Claim
23 words
A SPINNERETTE HAVING FILAMENT FORMING ORIFICES IN THE FORM OF EQUILATERAL TRIANGLES WHOSE APICES HAVE BEEN ROUNDED OFF TO ARCS OF EQUAL RADII.
References Cited (Backward Citations)
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US2013688A
Cited
US2588584A
Cited
US2673368A
Cited
US2804645A
Cited
US2829027A
Cited
US2825120A
Cited
US2816349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |