US2708473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid walker
Assignee: Individual
•
Filing: 1952-04-05
•
Granted: 1955-05-17
•
Expires: 1972-04-05
Abstract
No abstract record available.
Inventors
- 👤 Harry L Gable
- 👤 Jack E Mckinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:41
CPC Classifications
A; A61; A61H; A61H3/00; A61H2003/001
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US116073A
Cited
US372325A
Cited
US612148A
Cited
US1949163A
Cited
US2129260A
Cited
US2278760A
Cited
US2430235A
Cited
US2596055A
Cited
US2608258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |