US3563399B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3563399B1 - - Google Patents
Assignee: —
•
Filing: 1967-05-15
•
Granted: 1986-08-12
•
Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:54
CPC Classifications
F; F26; F26B; F26B9/00; F26B9/06; F26B9/08; F26B9/082; F26B9/085; B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46; B65G65/466; B65G69/00; B65G69/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-11 | 1990-02-10 | 1990-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-11 | 1994-02-10 | 1994-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-11 | 1998-02-10 | 1998-08-12 | $7700.00 | Window Closed / Lapsed |