US3031802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blast machine sealing means
Assignee: Bell Intercontinental Corp
•
Filing: 1960-11-29
•
Granted: 1962-05-01
•
Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Leliaert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:08
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2131767A
Cited
US2924911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |