US3436867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blasting machine blade formation for producing a divergent stream of abrasive
Assignee: BENFUR ENG Co
•
Filing: 1966-09-09
•
Granted: 1969-04-08
•
Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 Bernard Fuerst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:32
CPC Classifications
B; B24; B24C; B24C5/00; B24C5/06; B24C5/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2582702A
Cited
US2204633A
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US2314069A
Cited
US2508333A
Cited
US3242615A
Cited
US3352064A
Cited
US3348339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |