US3707835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rake
Assignee: GLASTOOL CORP
•
Filing: 1971-03-18
•
Granted: 1973-01-02
•
Expires: 1991-03-18
Abstract
Abstract A garden rake in which the tines are formed of the heat and pressure molded product of a plurality of stacked layers of collimated glass filaments extending substantially in the longitudinal direction of the tines. Each layer of glass filaments is supported by a substrate and is coated with resinous means.
Inventors
- 👤 G Mcnally
- 👤 E Jonasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:10
CPC Classifications
A; A01; A01D; A01D7/00; A01D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
In a rake as described in claim 1, wherein said glass rovings each comprise a plurality of elongated filaments each having a generally circular cross-sectional configuration and a diameter that is less than 0.001 inch.
Claim 2
Dependent Claim
24 words
In a rake as described in claim 2, wherein said substrate comprises glass mat having a thickness of between 0.005 inch and 0.015 inch.
References Cited (Backward Citations)
AU230738A
Cited
CA565919A
Cited
US1780748A
Cited
US1970616A
Cited
US2477407A
Cited
US2571692A
Cited
US2663987A
Cited
US2720745A
Cited
US3574104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |