Patent US1594997A successfully refreshed from Google Patents.
US1594997A
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Manufacture of sound-amplifying horns
Assignee: Miller Rubber Co
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Filing: 1926-02-08
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Granted: 1926-08-03
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Expires: 1946-02-08
Abstract
No abstract record available.
Inventors
- 👤 George W Bulley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:18
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/74; B29C65/00; B29C65/56; B29C65/565; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/70; B29C66/71; B29C2793/00; B29C2793/0045; B29K; B29K2021/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927
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) | 1929-08-02 | 1930-02-01 | 1930-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-02 | 1934-02-01 | 1934-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-02 | 1938-02-01 | 1938-08-03 | $7700.00 | Window Closed / Lapsed |