US3732068B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3732068B1 - - Google Patents
Assignee: —
•
Filing: 1971-07-01
•
Granted: 1985-01-15
•
Expires: 1991-07-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:51
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/001; B30B11/002; B01; B01J; B01J3/00; B01J3/04; B01J3/048; B22; B22F; B22F3/00; B22F3/003; B22F3/12; B22F3/14; B22F3/15; F; F27; F27D; F27D3/00; F27D3/18; H; H05; H05B; H05B3/00; H05B3/0014
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) | 1988-01-15 | 1988-07-16 | 1989-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-15 | 1992-07-16 | 1993-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-15 | 1996-07-16 | 1997-01-15 | $7700.00 | Window Closed / Lapsed |