US3137978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand blast stencil and method
Assignee: Individual
•
Filing: 1960-11-15
•
Granted: 1964-06-23
•
Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Incantalupo Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:20
CPC Classifications
B; B24; B24C; B24C1/00; B24C1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ASSEMBLY FOR FORMING LETTERS ON A STONE SURFACE COMPRISING GUIDE MEANS ADAPTED TO BE MOUNTED ON THE STONE SURFACE, A PLURALITY OF SPACING DEVICES SUPPORTED BY THE GUIDE MEANS IN SLIGHTLY SPACED RELATIONSHIP TO THE STONE SURFACE, EACH SPACING DEVICE INCLUDING A PERIPHERAL WALL DEFINING AN OPEN INTERIOR AREA, A LETTER REMOVABLY DISPOSED IN THE OPEN INTERIOR AREA OF EACH SPACING DEVICE, EACH SPACING DEVICE ALSO INCLUDING PROJECTING SPACING TAB MEANS ON THE SIDE EDGES THEREOF FOR ENGAGEMENT WITH AN
Claim 2
Dependent Claim
81 words
AN ASSEMBLY FOR FORMING LETTERS ON A STONE SURFACE COMPRISING GUIDE MEANS ADAPTED TO BE MOUNTED ON THE STONE SURFACE, A PLURALITY OF SPACING DEVICES SUPPORTED BY THE GUIDE MEANS IN SLIGHTLY SPACED RELATIONSHIP TO THE STONE SURFACE, EACH SPACING DEVICE INCLUDING A PERIPHERAL WALL DEFINING AN OPEN INTERIOR AREA, A LETTER REMOVABLY DISPOSED IN THE OPEN INTERIOR AREA OF EACH SPACING DEVICE, EACH SPACING DEVICE ALSO INCLUDING PROJECTING SPACING TAB MEANS ON THE SIDE EDGES THEREOF FOR ENGAGEMENT WITH AN
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |