US1183644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic-hydraulic gun.
Assignee: Individual
•
Filing: 1915-12-31
•
Granted: 1916-05-16
•
Expires: 1935-12-31
Abstract
No abstract record available.
Inventors
- 👤 Rollie Calvin Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:31
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/70; F41B11/72
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) | 1919-05-16 | 1919-11-15 | 1920-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-16 | 1923-11-15 | 1924-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-16 | 1927-11-15 | 1928-05-16 | $7700.00 | Window Closed / Lapsed |