US3389387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning device
Assignee: MARK M HULSE
•
Filing: 1965-09-10
•
Granted: 1968-06-18
•
Expires: 1985-09-10
Abstract
No abstract record available.
Inventors
- 👤 Mark M Hulse
- 👤 Ii Wilbur K Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:25
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/168; A61M5/16831; A61M5/1684; A61M5/16845; Y; Y10; Y10S; Y10S128/00; Y10S128/13
Claims Analysis
Total Claims: 0
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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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |