Patent US3391892A successfully refreshed from Google Patents.
US3391892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient supporting device
Assignee: NEIDHART SA
•
Filing: 1966-05-09
•
Granted: 1968-07-09
•
Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Hermann J Neidhart
- 👤 Neidhart Rico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:25
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/52; F16F1/54; F16F1/545
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2179959A
Cited
US2147660A
Cited
FR829524A
Cited
US2353944A
Cited
US2766163A
Cited
US2819060A
Cited
US2927786A
Cited
US3060538A
Cited
CH405017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |