US3045709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective casing for pipes and the like
Assignee: Insul-Fil Co Inc
•
Filing: 1959-01-21
•
Granted: 1962-07-24
•
Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Harry E Rapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:07
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/14; F16L58/06; F16L58/10; F16L58/1054; F16L59/00; F16L59/14; F16L59/15; Y; Y10; Y10S; Y10S138/00; Y10S138/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROTECTIVE CASING FOR A METAL CONDUIT COMPRISING HOLLOW BEADS, ALL PASSING A ONE-PUATER INCH SCREEN, BONDED TOGETHER AND TO THE METAL CONDUIT BY A SOLIDIFIED RESIN, THE BEADS COMPRISING FROM 60% TO 85% BY WEIGHT
Claim 2
Dependent Claim
36 words
A PROTECTIVE CASING FOR A METAL CONDUIT COMPRISING HOLLOW BEADS, ALL PASSING A ONE-PUATER INCH SCREEN, BONDED TOGETHER AND TO THE METAL CONDUIT BY A SOLIDIFIED RESIN, THE BEADS COMPRISING FROM 60% TO 85% BY WEIGHT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |