Patent US3048076A successfully refreshed from Google Patents.
US3048076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting propellent
Assignee: —
•
Filing: —
•
Granted: 1962-08-07
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Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:58
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/195; F42B3/198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF INHIBITING A PROPELLENT GRAIN OF INTERNAL STAR PERFORATION CROSS-SECTION FROM CRACKING DUE TO THERMAL STRESSES COMPRISING APPLYING A COATING OF INHIBITING MATERIAL COMPOSED OF A POLYMERIC MATERIAL IN SOLVENT SOLUTION TO THE BOTTOM WALL PORTIONS OF THE GROOVES OF THE INTERNAL PERFORATIONS OF THE PROPELLENT GRAIN WHERE STRESSES ARE MOST CONCENTRATED.
Claim 2
Independent Claim
54 words
THE METHOD OF INHIBITING A PROPELLENT GRAIN OF INTERNAL STAR PERFORATION CROSS-SECTION FROM CRACKING DUE TO THERMAL STRESSES COMPRISING APPLYING A COATING OF INHIBITING MATERIAL COMPOSED OF A POLYMERIC MATERIAL IN SOLVENT SOLUTION TO THE BOTTOM WALL PORTIONS OF THE GROOVES OF THE INTERNAL PERFORATIONS OF THE PROPELLENT GRAIN WHERE STRESSES ARE MOST CONCENTRATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |