US3465386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking mechanism for differential pressure forming apparatus
Assignee: Brown Machine Company of Michigan Inc
•
Filing: 1966-06-16
•
Granted: 1969-09-09
•
Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Gaylord W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:50
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/20; B29C33/202; Y; Y10; Y10S; Y10S425/00; Y10S425/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3348267A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |