US1969221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking machine
Assignee: Wingfoot Corp
•
Filing: 1929-06-21
•
Granted: 1934-08-07
•
Expires: 1949-06-21
Abstract
No abstract record available.
Inventors
- 👤 Ray M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:01
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/02; B44B5/026; B29; B29C; B29C59/00; B29C59/02; B44B5/0004; B44B5/0033; B44B5/0061; B29C35/00; B29C35/02; B29C2035/0211; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/24; B29L2023/245; Y; Y10; Y10T; Y10T83/00; Y10T83/485; Y10T83/492
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) | 1937-08-06 | 1938-02-05 | 1938-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-06 | 1942-02-05 | 1942-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-06 | 1946-02-05 | 1946-08-07 | $7700.00 | Window Closed / Lapsed |