US3606652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying bridging means to a contoured roofing tile
Assignee: Anchor Building Products Ltd
•
Filing: 1968-10-16
•
Granted: 1971-09-21
•
Expires: 1988-10-16
Abstract
Abstract APPARATUS FOR APPLYING A BRIDGE ACROSS THE TROUGH OF A CONTOURED ROOFING TILE IN ORDER TO INHIBIT OR PREVENT RAIN WATER PENETRATING BETWEEN OVERLAPPING TILES WHEN IN POSITION ON A ROOF, COMPRISING, A MEMBER DEFINING A CHAMBER WHICH IS CHARGED FROM A HOPPER WITH A SAND AND CEMENT MIXTURE BY OPERATION OF A FIRST PLUNGER, THE MEMBER THEN BEING MOVED TO A POSITION ABOVE THE TILE, WHEREUPON THE CHARGE IS PRESSED INTO THE TILE BY OPERATION OF A SECOND PLUNGER.
Inventors
- 👤 Leslie Gerald Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:34
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/02; E04D1/04; B; B28; B28B; B28B11/00; B28B11/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |