US2904419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged buffing compound
Assignee: Lea Manuf Co
•
Filing: 1957-02-26
•
Granted: 1959-09-15
•
Expires: 1977-02-26
Abstract
No abstract record available.
Inventors
- 👤 Earle W Couch
- 👤 Ellsworth T Candee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:19
CPC Classifications
B; B24; B24B; B24B57/00; B24B57/04; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A BUFFING COMPOUND PACKAGE COMPRISING A BAR OF BUFFING COMPOUND OF A TYPE WHICH IS SUBJECT TO DAMAGE OR DETERIORATION UPON UNPROTECTED EXPOSURE, AND A SEALED TUBULAR ENCASEMENT OF SOLID, TOUGH, RESILIENT POLYETHYLENE SURROUNDING SAID BAR AND FORMING A MOISTURE-IMPERMEABLE ENCASEMENT WHICH CLINGS IN DIRECT CONTACT WITH SAID BAR, SAID ENCASEMENT BEING REMOVABLE BY FRICTION UPON APPLICATION OF THE PACKAGE TO A MOVING BUFFING SURFACE
Claim 2
Dependent Claim
65 words
A BUFFING COMPOUND PACKAGE COMPRISING A BAR OF BUFFING COMPOUND OF A TYPE WHICH IS SUBJECT TO DAMAGE OR DETERIORATION UPON UNPROTECTED EXPOSURE, AND A SEALED TUBULAR ENCASEMENT OF SOLID, TOUGH, RESILIENT POLYETHYLENE SURROUNDING SAID BAR AND FORMING A MOISTURE-IMPERMEABLE ENCASEMENT WHICH CLINGS IN DIRECT CONTACT WITH SAID BAR, SAID ENCASEMENT BEING REMOVABLE BY FRICTION UPON APPLICATION OF THE PACKAGE TO A MOVING BUFFING SURFACE
References Cited (Backward Citations)
US582736A
Cited
US2825721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |