Patent US1944508A successfully refreshed from Google Patents.
US1944508A
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Method of making electrically insulating form pieces
Assignee: Micafil AG
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Filing: 1931-05-02
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Granted: 1934-01-23
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Expires: 1951-05-02
Abstract
No abstract record available.
Inventors
- 👤 Gubler Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:49
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C69/00; B29C69/001; B29C69/002; B29C69/003; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29C70/54; B29C70/541; H; H01; H01B; H01B19/00; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/125; B29L; B29L2031/00; B29L2031/34; B29L2031/3412; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1049
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) | 1937-01-22 | 1937-07-24 | 1938-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-22 | 1941-07-24 | 1942-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-22 | 1945-07-24 | 1946-01-23 | $7700.00 | Window Closed / Lapsed |