Patent US3197162A successfully refreshed from Google Patents.
Patent US434428A successfully refreshed from Google Patents.
Patent US3410141A successfully refreshed from Google Patents.
Patent US2096476A successfully refreshed from Google Patents.
Patent US1220103A successfully refreshed from Google Patents.
US1220103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for projecting burning liquids.
Assignee: Individual
•
Filing: 1916-12-29
•
Granted: 1917-03-20
•
Expires: 1936-12-29
Abstract
No abstract record available.
Inventors
- 👤 William A Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:52
CPC Classifications
F; F41; F41H; F41H9/00; F41H9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1920-03-19 | 1920-09-18 | 1921-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-03-19 | 1924-09-18 | 1925-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-03-19 | 1928-09-18 | 1929-03-20 | $7700.00 | Window Closed / Lapsed |