Patent US1150667A successfully refreshed from Google Patents.
US1150667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shell or projectile.
Assignee: Individual
•
Filing: 1915-02-13
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Granted: 1915-08-17
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Expires: 1935-02-13
Abstract
No abstract record available.
Inventors
- 👤 Henry H C Dunwoody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/04; F42B12/06
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) | 1918-08-16 | 1919-02-15 | 1919-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-16 | 1923-02-15 | 1923-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-16 | 1927-02-15 | 1927-08-17 | $7700.00 | Window Closed / Lapsed |