US2442405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic plastic pad
Assignee: Individual
•
Filing: 1946-07-03
•
Granted: 1948-06-01
•
Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Fornwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:37
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/22; D04B1/24; D04B1/26; B; B29; B29D; B29D7/00; B29D7/01; B29C; B29C71/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1534527A
Cited
US1753865A
Cited
US1827127A
Cited
US2024177A
Cited
US1986629A
Cited
US2341019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |