US1856319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press for commutator rings and the like
Assignee: New England Mica Co
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Filing: 1924-04-17
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Granted: 1932-05-03
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Expires: 1944-04-17
Abstract
No abstract record available.
Inventors
- 👤 Cooper Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:19
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B29; B29C; B29C51/00; B29C51/08; B29C51/082; B29C51/087; B29C53/00; B29C53/02; B29C53/04; B26F1/44; B26F2001/4427; B29C2793/00; B29C2793/0081; B29K; B29K2709/00; B29K2709/10; B29L; B29L2031/00; B29L2031/709; B29L2031/7096
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) | 1935-05-03 | 1935-11-02 | 1936-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-03 | 1939-11-02 | 1940-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-03 | 1943-11-02 | 1944-05-03 | $7700.00 | Window Closed / Lapsed |