Patent US2430179A successfully refreshed from Google Patents.
US2430179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable platform
Assignee: Individual
•
Filing: 1945-08-04
•
Granted: 1947-11-04
•
Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lanchester Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:48
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US610602A
Cited
US1718979A
Cited
DE494148C
Cited
US1960355A
Cited
US2140617A
Cited
US2183679A
Cited
US2370887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |