US3346905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trowel
Assignee: ADVANCE EQUIPMENT MANUFACTURING COMPANY
•
Filing: 1965-05-17
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Granted: 1967-10-17
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Neil N Scarpelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:08
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/16; E04F21/161; E04F21/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A TROWEL FOR USE IN SPREADING AN ADHESIVE TYPE MATERIAL ON A PLANAR SURFACE COMPRISING, IN COMBINATION: A SUBSTANTIALLY PLANAR BLADE MEMBER AND A HANDLE MEMBER CONNECTED TO SAID BLADE MEMBER, SAID HANDLE MEMBER INCLUDING A GRIP PORTION SPACED FROM SAID BLADE MEMBER FOR PERMITING MANUAL MANIPULATION OF SAID TROWEL, SAID BLADE MEMBER HAVING FIRST AND SECOND ADJACENT SIDES EACH FORMED WITH AN UNDULATING PERIPHERAL EDGE THAT DEFINES A PLURALITY OF UNIFORMLY SPACED TEETH AND SPACES, AT LEAST ONE ROW OF TEETH AND SPACES FORMED IN SAID BLADE MEMBER WITHOUT ADVERSELY WEAKENING THE STRUCTURE OF SAID BLADE MEMBER, SAID ONE ROW BEING SPACED FROM SAID FIRST PERIPHERAL EDGE, SAID BLADE MEMBER BEING CONSTRUCTED AND ARRANGED SO THAT WHEN SAID FIRST PERIPHERAL EDGE IS DAMAGED, SAID BLADE MEMBER CAN BE RENEWED BY REMOVING THE STRIP OF MATERIAL BETWEEN SAID FIRST PRIPHERAL EDGE AND SAID ONE ROW.
Claim 2
Dependent Claim
145 words
A TROWEL FOR USE IN SPREADING AN ADHESIVE TYPE MATERIAL ON A PLANAR SURFACE COMPRISING, IN COMBINATION: A SUBSTANTIALLY PLANAR BLADE MEMBER AND A HANDLE MEMBER CONNECTED TO SAID BLADE MEMBER, SAID HANDLE MEMBER INCLUDING A GRIP PORTION SPACED FROM SAID BLADE MEMBER FOR PERMITING MANUAL MANIPULATION OF SAID TROWEL, SAID BLADE MEMBER HAVING FIRST AND SECOND ADJACENT SIDES EACH FORMED WITH AN UNDULATING PERIPHERAL EDGE THAT DEFINES A PLURALITY OF UNIFORMLY SPACED TEETH AND SPACES, AT LEAST ONE ROW OF TEETH AND SPACES FORMED IN SAID BLADE MEMBER WITHOUT ADVERSELY WEAKENING THE STRUCTURE OF SAID BLADE MEMBER, SAID ONE ROW BEING SPACED FROM SAID FIRST PERIPHERAL EDGE, SAID BLADE MEMBER BEING CONSTRUCTED AND ARRANGED SO THAT WHEN SAID FIRST PERIPHERAL EDGE IS DAMAGED, SAID BLADE MEMBER CAN BE RENEWED BY REMOVING THE STRIP OF MATERIAL BETWEEN SAID FIRST PRIPHERAL EDGE AND SAID ONE ROW.
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |