Patent US1312874A successfully refreshed from Google Patents.
US1312874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ptanodraph co
Assignee: —
•
Filing: —
•
Granted: 1919-08-12
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Expires: 1936-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:47
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/56; B26D1/62; B26D1/626; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2209; Y10T83/222; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4844
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) | 1922-08-11 | 1923-02-10 | 1923-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-08-11 | 1927-02-10 | 1927-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-08-11 | 1931-02-10 | 1931-08-12 | $7700.00 | Window Closed / Lapsed |