Patent US5574689A successfully refreshed from Google Patents.
Patent US1312737A successfully refreshed from Google Patents.
US1312737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
krtjeger
Assignee: —
•
Filing: —
•
Granted: 1919-08-12
•
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 12:22
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03446; B23B29/03453; Y; Y10; Y10S; Y10S425/00; Y10S425/218; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T408/5647; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588; Y10T82/00; Y10T82/12
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 |