US2506064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable protector
Assignee: NAT FIREPROOFING CORP
•
Filing: 1945-09-19
•
Granted: 1950-05-02
•
Expires: 1965-09-19
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn M Christie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:54
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/20; H02G7/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US254268A
Cited
US290045A
Cited
US567231A
Cited
US1374866A
Cited
US1801171A
Cited
US2230734A
Cited
US2337584A
Cited
US2343402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |