US3048968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor
Assignee: Phillips Petroleum Co
•
Filing: 1958-01-02
•
Granted: 1962-08-14
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 William M Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:51
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/12; F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; F02K9/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |