US3424422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable support
Assignee: Individual
•
Filing: 1967-01-16
•
Granted: 1969-01-28
•
Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 George Klangos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:41
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1415
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US703709A
Cited
US765204A
Cited
US846956A
Cited
US911508A
Cited
US2437786A
Cited
US2975573A
Cited
US3315642A
Cited
US3310271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |