US3146509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mortar laying device
Assignee: Individual
•
Filing: 1961-09-08
•
Granted: 1964-09-01
•
Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Walter G Negwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:13
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G21/204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A PORTABLE DEVICE FOR LAYING STRIPES OF MORTAR ON WALL MARGINS, COMPRISING A MEMBER HAVING A HANDLE AND FORMING A PORTABLE SCOOP WHICH IS OPEN AT AN UPPER END FOR MANUALLY SCOOPING UP MORTAR FROM A SUPPLY THEREOF, TRANSVERSE MEANS ATTACHED TO THE LOWER END OF THE SCOOP FOR GUIDING IT ALONG THE WALL WHEN DRAWN ALONG BY SAID HANDLE, THE SCOOP, HANDLE AND GUIDE MEANS BEING IN A TRIANGULAR RELATIONSHIP SUCH THAT THE SCOOP SLOPES DOWNWARD AND REARWARD WITH RESPECT TO ITS MOVEMENT WHEN DRAWN FORWARD BY THE HANDLE ALONG THE WALL, SAID SCOOP HAVING TRANSVERSE BOTTOM OPENINGS FOR DOWNWARD ESCAPE OF MORTAR, SAID SCOOP ALSO HAVING REARWARD OUTLETS FOR REARWARD ESCAPE OF MORTAR, ADJUSTABLE PLATE MEANS AT SAID OUTLETS ADAPTED TO VARY THE DEPTH OF THE MORTAR ESCAPING THROUGH SAID OUTLETS, A HOLLOW PROTECTIVE DIVIDER MEMBER WITHIN THE SCOOP FORMING INSIDE WALLS OF SAID BOTTOM OPENINGS, EACH SUCH WALL INCLUDING A PASSAGE, SAID DIVIDER MEMBER HAVING AN UPPER INVERTED V-SHAPE ADAPTED TO
Claim 2
Dependent Claim
164 words
A PORTABLE DEVICE FOR LAYING STRIPES OF MORTAR ON WALL MARGINS, COMPRISING A MEMBER HAVING A HANDLE AND FORMING A PORTABLE SCOOP WHICH IS OPEN AT AN UPPER END FOR MANUALLY SCOOPING UP MORTAR FROM A SUPPLY THEREOF, TRANSVERSE MEANS ATTACHED TO THE LOWER END OF THE SCOOP FOR GUIDING IT ALONG THE WALL WHEN DRAWN ALONG BY SAID HANDLE, THE SCOOP, HANDLE AND GUIDE MEANS BEING IN A TRIANGULAR RELATIONSHIP SUCH THAT THE SCOOP SLOPES DOWNWARD AND REARWARD WITH RESPECT TO ITS MOVEMENT WHEN DRAWN FORWARD BY THE HANDLE ALONG THE WALL, SAID SCOOP HAVING TRANSVERSE BOTTOM OPENINGS FOR DOWNWARD ESCAPE OF MORTAR, SAID SCOOP ALSO HAVING REARWARD OUTLETS FOR REARWARD ESCAPE OF MORTAR, ADJUSTABLE PLATE MEANS AT SAID OUTLETS ADAPTED TO VARY THE DEPTH OF THE MORTAR ESCAPING THROUGH SAID OUTLETS, A HOLLOW PROTECTIVE DIVIDER MEMBER WITHIN THE SCOOP FORMING INSIDE WALLS OF SAID BOTTOM OPENINGS, EACH SUCH WALL INCLUDING A PASSAGE, SAID DIVIDER MEMBER HAVING AN UPPER INVERTED V-SHAPE ADAPTED TO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |