US2928348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectile rotating band
Assignee: Individual
•
Filing: 1955-01-07
•
Granted: 1960-03-15
•
Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 William A Zisman
- 👤 Vincent G Fitzsimmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:51
CPC Classifications
F; F42; F42B; F42B14/00; F42B14/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A PROJECTILE PROVIDED WITH A ROTATING BAND THEREON WHICH COMPRISES A RING OF POROUS, THREE-DIMENSIONAL, HELICALLY WOVEN DUCTILE WIRE MECH HAVING AN ANGLE OF WIRE CROSSING, GRAINWISE, OF LESS THEN 90*, THE DUCTILE WIRES WELDED TO EACH OTHER AT THEIR CROSSINGS, A DENSITY OF FROM ABOUT 60 TO 85, A PORE SIZE OF ABOUT 10 MICRONS AND LESS AND FILED WITH ESSENTIALLY SINTERED POLYTETRAFLUOROETHYLENE.
References Cited (Backward Citations)
US707135A
Cited
US648243A
Cited
US1944884A
Cited
US2360473A
Cited
GB586674A
Cited
US2478229A
Cited
GB657085A
Cited
US2562118A
Cited
US2731068A
Cited
US2689380A
Cited
US2663259A
Cited
GB707065A
Cited
US2809587A
Cited
US2715617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |