US3015994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cutting an arcuate venturi for recoilless rifles
Assignee: Individual
•
Filing: 1956-03-30
•
Granted: 1962-01-09
•
Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred P Batezell
- 👤 Mccullogh Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:14
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/28; B23C3/34; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305544; Y10T409/305656; Y10T409/305768; Y10T409/306664; Y10T409/30756
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1707219A
Cited
US2605677A
Cited
US2398268A
Cited
US2365078A
Cited
US2379870A
Cited
US2564613A
Cited
US2876669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |