Patent EP0390041A2 successfully refreshed from Google Patents.
US1707014A
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Assignee: Individual
•
Filing: 1923-08-17
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Granted: 1929-03-26
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Expires: 1943-08-17
Abstract
No abstract record available.
Inventors
- 👤 Hopkinson Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:20
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/0061; B29D30/06; B29D30/52; B29D30/54; B29D30/56; Y; Y10; Y10S; Y10S152/00; Y10S152/09; Y10S264/00; Y10S264/74; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10855
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) | 1932-03-25 | 1932-09-24 | 1933-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-25 | 1936-09-24 | 1937-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-25 | 1940-09-24 | 1941-03-26 | $7700.00 | Window Closed / Lapsed |