Patent US1776796A successfully refreshed from Google Patents.
US1776796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical projectile igniter
Assignee: Rheinische Metallwaaren and Maschinenfabrik AG
•
Filing: 1929-12-16
•
Granted: 1930-09-30
•
Expires: 1949-12-16
Abstract
No abstract record available.
Inventors
- 👤 Ruhlemann Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:56
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/06; F42C11/04; F42C17/00; F42C17/04
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) | 1933-09-29 | 1934-03-31 | 1934-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-29 | 1938-03-31 | 1938-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-29 | 1942-03-31 | 1942-09-30 | $7700.00 | Window Closed / Lapsed |