US3425160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding doors on single track
Assignee: Individual
•
Filing: 1967-11-14
•
Granted: 1969-02-04
•
Expires: 1987-11-14
Abstract
No abstract record available.
Inventors
- 👤 Emil M Petterborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:02
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/92; E06B3/922; E06B3/924; E05; E05D; E05D15/00; E05D15/06; E05D15/0604; E05D15/0608; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/643; E05F15/646; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/142
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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |