US3043396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable steps and platforms for mobile homes
Assignee: Individual
•
Filing: 1959-03-18
•
Granted: 1962-07-10
•
Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 Harold W Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:08
CPC Classifications
B; B60; B60R; B60R3/00; B60R3/007; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/49943; Y10T403/00; Y10T403/44; Y10T403/71; Y10T403/7123; Y10T403/7194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |