US3389943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-closing cabinet doors
Assignee: Leitner Equipment Co
•
Filing: 1966-10-28
•
Granted: 1968-06-25
•
Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Harold B Jones
- 👤 Theodore E Zmuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:34
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752188A
Cited
US1561290A
Cited
US1576098A
Cited
US1907117A
Cited
US2753236A
Cited
US2786240A
Cited
US3074124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |