US3286294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing devices
Assignee: —
•
Filing: —
•
Granted: 1966-11-22
•
Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:09
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COLLAPSIBLE POLISHING MEANS COMPRISING A BASE MEMBER, A PAD OF A POLISHING MATERIAL SECURED TO ONE FACE OF SAID BASE MEMBER, SAID BASE MEMBER CONSISTING OF A PLURALITY OF SECTIONS, AND HINGE MEANS INTERCONNECTING SAID SECTIONS, SAID PAD HAVING A POLISHING SURFACE OF SERPENTINE CONFIGURATION IN THE DIRECTION OF ITS LENGTH AND THE FOLDS OF SAID SURFACE BEING ARRANGED TO INTERLOCK WHEN SAID BASE MEMBER IS COLLAPSED ABOUT SAID HINGE MEANS.
Claim 2
Dependent Claim
72 words
A COLLAPSIBLE POLISHING MEANS COMPRISING A BASE MEMBER, A PAD OF A POLISHING MATERIAL SECURED TO ONE FACE OF SAID BASE MEMBER, SAID BASE MEMBER CONSISTING OF A PLURALITY OF SECTIONS, AND HINGE MEANS INTERCONNECTING SAID SECTIONS, SAID PAD HAVING A POLISHING SURFACE OF SERPENTINE CONFIGURATION IN THE DIRECTION OF ITS LENGTH AND THE FOLDS OF SAID SURFACE BEING ARRANGED TO INTERLOCK WHEN SAID BASE MEMBER IS COLLAPSED ABOUT SAID HINGE MEANS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |