US3121271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening arrangement for tarpaulins
Assignee: Individual
•
Filing: 1960-08-05
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Granted: 1964-02-18
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Blomberg Gote Einar Erling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:05
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; Y; Y10; Y10T; Y10T24/00; Y10T24/37; Y10T24/3742
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A GROMMET FOR TARPAULINS COMPRISING IN COMBINATION, TWO CLAMP PLATES ADAPTED TO BE LAID ONE ON EACH SIDE OF THE CANVAS OF THE TARPAULIN, THERE BEING AN APERTURE FORMED IN EACH OF SAID CLAMP PLATES WITH AN EDGE ADAPTED TO COOPERATE WITH ATTACHMENT MEANS FOR THE TARPAULIN, TIGHTENING MEANS OUTSIDE SAID APERTURES FOR FIRMLY HOLDING SAID CLAMP PLATES TOGETHER AGAINST THE CANVAS OF THE TARPAULIN, AND A PLURALITY OF TRANSMISSION AGENTS IN SAID CLAMP PLATES IN THE FORM OF DEPRESSION AND PROTRUSIONS MUTUALLY OPPOSING EACH OTHER AND BEING OF CORRESPONDING SHAPE, EACH OF SAID DEPRESSIONS AND PROTRUSIONS HAVING A DEPTH EXCEEDING THE THICKNESS OF THE TARPAULIN AND FURTHER HAVING A CLOSED CIRCUMFERENCE SURROUNDING SAID TIGHTENING MEANS, SAID DEPRESSIONS AND PROTRUSIONS BEING ADAPTED TO CHANGE THE SHAPE OF THE INTERPOSED CANVAS SO AS TO MAKE SAID CANVAS FORM DEPRESSIONS WHEN THE CLAMP PLATES ARE TIGHTENED BY THE AID OF SAID TIGHTENING MEANS SO AS TO BE ABLE TO TRANSMIT THE FORCES FROM THE ATTACHMENT MEANS TO SUBSTANTIAL SURFACE PARTS OF THE TARPAULIN AND IN ALL DIRECTIONS THEREOF.
Claim 2
Dependent Claim
176 words
A GROMMET FOR TARPAULINS COMPRISING IN COMBINATION, TWO CLAMP PLATES ADAPTED TO BE LAID ONE ON EACH SIDE OF THE CANVAS OF THE TARPAULIN, THERE BEING AN APERTURE FORMED IN EACH OF SAID CLAMP PLATES WITH AN EDGE ADAPTED TO COOPERATE WITH ATTACHMENT MEANS FOR THE TARPAULIN, TIGHTENING MEANS OUTSIDE SAID APERTURES FOR FIRMLY HOLDING SAID CLAMP PLATES TOGETHER AGAINST THE CANVAS OF THE TARPAULIN, AND A PLURALITY OF TRANSMISSION AGENTS IN SAID CLAMP PLATES IN THE FORM OF DEPRESSION AND PROTRUSIONS MUTUALLY OPPOSING EACH OTHER AND BEING OF CORRESPONDING SHAPE, EACH OF SAID DEPRESSIONS AND PROTRUSIONS HAVING A DEPTH EXCEEDING THE THICKNESS OF THE TARPAULIN AND FURTHER HAVING A CLOSED CIRCUMFERENCE SURROUNDING SAID TIGHTENING MEANS, SAID DEPRESSIONS AND PROTRUSIONS BEING ADAPTED TO CHANGE THE SHAPE OF THE INTERPOSED CANVAS SO AS TO MAKE SAID CANVAS FORM DEPRESSIONS WHEN THE CLAMP PLATES ARE TIGHTENED BY THE AID OF SAID TIGHTENING MEANS SO AS TO BE ABLE TO TRANSMIT THE FORCES FROM THE ATTACHMENT MEANS TO SUBSTANTIAL SURFACE PARTS OF THE TARPAULIN AND IN ALL DIRECTIONS THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |