US3474883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-adjustable stepladder and the like
Assignee: GEORGE W WEIS
•
Filing: 1967-08-14
•
Granted: 1969-10-28
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 George W Weis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/42; E06C7/423; E06C1/00; E06C1/02; E06C1/14; E06C1/16; E06C1/20; E06C7/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495108A
Cited
US1218144A
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US2396813A
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US2510515A
Cited
US2466832A
Cited
US3232378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |