US3139031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Missile stage separator
Assignee: Individual
•
Filing: 1962-06-12
•
Granted: 1964-06-30
•
Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Albert R Schroter
- 👤 Harold R Bojens
- 👤 Joseph G Kise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:24
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; F42B15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A DEVICE FOR SMOOTHLY SEPARATING A PIECE OF MATERIAL INTO AT LEAST TWO PARTS COMPRISING: SAID PIECE HAVING A PAIR OF WEAKENED PORTIONS SPACED FROM ONE ANOTHER; SAID PIECE HAVING A THIRD WEAKENED PORTION BETWEEN SAID PAIR AND SPACED FROM EACH WEAKENED PORTION WITHIN THE PAIR;
Claim 2
Independent Claim
46 words
A DEVICE FOR SMOOTHLY SEPARATING A PIECE OF MATERIAL INTO AT LEAST TWO PARTS COMPRISING: SAID PIECE HAVING A PAIR OF WEAKENED PORTIONS SPACED FROM ONE ANOTHER; SAID PIECE HAVING A THIRD WEAKENED PORTION BETWEEN SAID PAIR AND SPACED FROM EACH WEAKENED PORTION WITHIN THE PAIR;
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |