US3942680B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3942680B1 - - Google Patents
Assignee: Individual
•
Filing: 1974-04-30
•
Granted: 1990-04-24
•
Expires: 1994-04-30
Abstract
No abstract record available.
Inventors
- 👤 E Seeley Larry
- 👤 H Seeley Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:16
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2408; Y; Y10; Y10T; Y10T292/00; Y10T292/23; Y10T292/93
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) | 1993-04-23 | 1993-10-23 | 1994-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-23 | 1997-10-23 | 1998-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-23 | 2001-10-23 | 2002-04-24 | $7700.00 | Window Closed / Lapsed |