Patent US2018480A successfully refreshed from Google Patents.
US2018480A
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Mold for dynamo machine elements
Assignee: Individual
•
Filing: 1932-05-04
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Granted: 1935-10-22
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Expires: 1952-05-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Apple
- 👤 Edward M Apple
- 👤 Darroch Gourley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:13
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/12; B; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C43/32; B29C43/36; B29C43/361; B29C70/00; B29C70/68; B29C70/72; B29C43/34; B29C2043/3444; B29C2043/3615; B29C2043/3626; B29K; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/255; B29L; B29L2031/00; B29L2031/748; B29L2031/749; B29L2031/7498
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) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |