US1916416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing safety razor blades
Assignee: Individual
•
Filing: 1932-01-08
•
Granted: 1933-07-04
•
Expires: 1952-01-08
Abstract
No abstract record available.
Inventors
- 👤 James E Connolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/60; B21D53/64; B21D53/645
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |