US1543050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breakage link
Assignee: Newport News Shipbuilding and Dry Dock Co
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Filing: 1924-02-21
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Granted: 1925-06-23
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Expires: 1944-02-21
Abstract
No abstract record available.
Inventors
- 👤 Frank R Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:51
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/16; F03B3/18; F03B3/183; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T137/00; Y10T137/8811
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) | 1928-06-22 | 1928-12-22 | 1929-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-22 | 1932-12-22 | 1933-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-22 | 1936-12-22 | 1937-06-23 | $7700.00 | Window Closed / Lapsed |