US2808975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pole rest attachments for ladders
Assignee: Individual
•
Filing: 1954-08-02
•
Granted: 1957-10-08
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Palmquist Roland Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:44
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/48; E06C7/482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE228404C
Cited
US271509A
Cited
US362768A
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US1063121A
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US1553279A
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US2432189A
Cited
US2518107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |