US2445035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and machine for packing powder for spark plugs
Assignee: Individual
•
Filing: 1944-01-20
•
Granted: 1948-07-13
•
Expires: 1964-01-20
Abstract
No abstract record available.
Inventors
- 👤 Munger Howard Brandeberry
- 👤 Lafferty Harold Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:44
CPC Classifications
H; H01; H01T; H01T21/00; H01T21/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1689584A
Cited
US1526788A
Cited
US2003465A
Cited
US1897612A
Cited
US2122874A
Cited
US2190859A
Cited
GB478411A
Cited
US2336193A
Cited
US2357407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |