US2587694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuse igniting and connecting device
Assignee: Canadian Safety Fuse Co Ltd
•
Filing: 1949-10-01
•
Granted: 1952-03-04
•
Expires: 1969-10-01
Abstract
No abstract record available.
Inventors
- 👤 Chalmers John Burnett
- 👤 Mccaffrey Francis Hamn Garland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:34
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR318286A
Cited
US1856419A
Cited
US1887122A
Cited
US1991856A
Cited
US2363569A
Cited
GB579388A
Cited
US2535518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |