US3385397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible-retractile structure
Assignee: Individual
•
Filing: 1966-07-18
•
Granted: 1968-05-28
•
Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Eli I Robinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:51
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/52; E06C1/525; E04; E04H; E04H12/00; E04H12/18; E04H12/185; E06C1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR350790A
Cited
US2130993A
Cited
US2269364A
Cited
US2799368A
Cited
US3144104A
Cited
US3252173A
Cited
US3258800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |