US2694540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable roadway light support
Assignee: PFAFF AND KENDALL
•
Filing: 1950-02-07
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Granted: 1954-11-16
•
Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry C Pfaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:30
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; E; E04; E04H; E04H12/00; E04H12/18; F21V; F21V21/00; F21V21/10; F21V21/14; F21V21/30; F21W; F21W2131/00; F21W2131/10; F21W2131/103; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US654923A
Cited
US1234893A
Cited
US1540490A
Cited
US1600066A
Cited
US2100058A
Cited
US2216408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |