US3032140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder attachments
Assignee: Individual
•
Filing: 1960-11-04
•
Granted: 1962-05-01
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Hunt Homer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:03
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/42; E06C7/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US437935A
Cited
US638987A
Cited
US656298A
Cited
US1243532A
Cited
US1462505A
Cited
FR894499A
Cited
US2320144A
Cited
GB613306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |