US3467086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a thermoplastic cast by vacuum
Assignee: BENJAMIN A ADDISON
•
Filing: 1966-11-14
•
Granted: 1969-09-16
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Addison
- 👤 Erwin R Jennings
- 👤 Theodore H Gewecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:16
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04; B; B29; B29C; B29C2791/00; B29C2791/004; B29C2791/006; B29L; B29L2031/00; B29L2031/753; B29L2031/7532
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |