US2340392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making corrugated rubber mats
Assignee: Individual
•
Filing: 1942-02-19
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Granted: 1944-02-01
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Expires: 1962-02-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard H Lefcourt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:35
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0057; B29C; B29C43/00; B29C43/02; B29C43/021; B29C43/20; B44; B44C; B44C3/00; B44C3/005; B29C2793/00; B29C2793/0081; B29K; B29K2021/00; B29K2995/00; B29K2995/0018; B29K2995/002; B29K2995/0021; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017; B29L2031/732; B29L2031/7322; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T156/1052; Y10T156/1062; Y10T156/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-01-31 | 1947-08-02 | 1948-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-31 | 1951-08-02 | 1952-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-31 | 1955-08-02 | 1956-02-01 | $7700.00 | Window Closed / Lapsed |