US2968689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone service fitting for floor distribution systems
Assignee: HK Porter Co Inc
•
Filing: 1958-01-06
•
Granted: 1961-01-17
•
Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Johnson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:34
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/16; Y; Y10; Y10S; Y10S439/00; Y10S439/922
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US522664A
Cited
US835039A
Cited
US1772687A
Cited
US2374622A
Cited
FR912709A
Cited
US2738892A
Cited
US2813143A
Cited
US2854166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |