US1098321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-gun.
Assignee: Individual
•
Filing: 1912-06-24
•
Granted: 1914-05-26
•
Expires: 1932-06-24
Abstract
No abstract record available.
Inventors
- 👤 William A Heilprin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:25
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/60; F41B11/64; F41B11/642; F41B11/646; F41B11/647
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) | 1917-05-25 | 1917-11-24 | 1918-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-25 | 1921-11-24 | 1922-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-25 | 1925-11-24 | 1926-05-26 | $7700.00 | Window Closed / Lapsed |