Patent US2043714A successfully refreshed from Google Patents.
US2043714A
Expired / Lapsed
US
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Duplex nozzle construction
Assignee: Akron Brass Co
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Filing: 1935-09-27
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Granted: 1936-06-09
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Expires: 1955-09-27
Abstract
No abstract record available.
Inventors
- 👤 John C Schellin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:35
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14; B05B1/16; B05B1/1627; B05B1/1636; B05B3/00; B05B3/02; B05B3/04
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) | 1939-06-09 | 1939-12-09 | 1940-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-09 | 1943-12-09 | 1944-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-09 | 1947-12-09 | 1948-06-09 | $7700.00 | Window Closed / Lapsed |