US2608336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable ladder stilt
Assignee: Individual
•
Filing: 1950-03-11
•
Granted: 1952-08-26
•
Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Dole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:21
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/42; E06C7/44; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/4459; Y10T24/44598
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |