Patent US3527666A successfully refreshed from Google Patents.
US3527666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact copying material
Assignee: Drexel University
•
Filing: 1967-12-11
•
Granted: 1970-09-08
•
Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Mortimer M Labes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:04
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/03; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/249921; Y10T428/249994; Y10T428/249995; Y10T428/249996
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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |