US2745227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propulsion head for glass grinding machines
Assignee: Individual
•
Filing: 1953-09-10
•
Granted: 1956-05-15
•
Expires: 1973-09-10
Abstract
No abstract record available.
Inventors
- 👤 Paul J Pilger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:27
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PROPULSION HEAD ASSEMBLY COMPRISING A MULTIPLICITY OF GUIDE PLATES SPACED APART A DISTANCE SUBSTANTIALLY EQUAL TO THE THICKNESS OF GLASS PLATES, THE EDGES OF WHICH ARE TO BE GROUND, AND WITH THE EDGES OF THE GUIDE PLATES ALIGNED WITH EACH OTHER AND A CORE WHICH TIES ALL OF SAID PLATES TOGETHER, SAID CORE COMPRISING FILLER MEMBERS LYING BETWEEN AND SPACING SAID GUIDE PLATES APART AND INTEGRAL TIE MEMBERS EXTENDING FROM FILLER MEMBER TO FILLER MEMBER AND THROUGH THE GUIDE PLATES, THE FILLER MEMBERS TERMINATING ENOUGH SHORT OF THE OUTER ENDS OF THE GUIDE PLATES TO LEAVE OPEN SPACES BETWEEN THE GUIDE PLATES FOR THE RECEPTION OF THE ENDS OF THE GLASS PLATES TO BE GROUND.
Claim 2
Dependent Claim
116 words
A PROPULSION HEAD ASSEMBLY COMPRISING A MULTIPLICITY OF GUIDE PLATES SPACED APART A DISTANCE SUBSTANTIALLY EQUAL TO THE THICKNESS OF GLASS PLATES, THE EDGES OF WHICH ARE TO BE GROUND, AND WITH THE EDGES OF THE GUIDE PLATES ALIGNED WITH EACH OTHER AND A CORE WHICH TIES ALL OF SAID PLATES TOGETHER, SAID CORE COMPRISING FILLER MEMBERS LYING BETWEEN AND SPACING SAID GUIDE PLATES APART AND INTEGRAL TIE MEMBERS EXTENDING FROM FILLER MEMBER TO FILLER MEMBER AND THROUGH THE GUIDE PLATES, THE FILLER MEMBERS TERMINATING ENOUGH SHORT OF THE OUTER ENDS OF THE GUIDE PLATES TO LEAVE OPEN SPACES BETWEEN THE GUIDE PLATES FOR THE RECEPTION OF THE ENDS OF THE GLASS PLATES TO BE GROUND.
References Cited (Backward Citations)
US1571985A
Cited
US1906329A
Cited
US1955981A
Cited
US2160085A
Cited
US2154749A
Cited
US2531640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |