US2723600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making hollow accreted fibrous bodies
Assignee: Hawley Products Co
•
Filing: 1952-05-02
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Granted: 1955-11-15
•
Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 Kyle Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:12
CPC Classifications
D; D21; D21J; D21J7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF MARKING FIBROUS HOLLOW ARTICLES WHICH COMPRISES ACCRETING FIBROUS SEPARATE COMPONENT PARTS OF HOLLOW BODY IN PREDETERMINED SHAPES FROM A FIBER-LIQUID BATH, SAID PARTS DEFINING A SUBSTANTIALLY ENCLOSED HOLLOW SPACE BETWEEN THEN WHEN BROUGHT TOGETHER, BRINGING SAID ACCRETED COMPONENT PARTS TOGETHER WITHOUT REMOVING THEM FROM SAID BATH, AND THEREAFTER CONTINUING TO ACCRETE FIBERS ON THE INNER SURFACES OF THE RESULTANT HOLLOW ARTICLE UNTIL SAID PARTS ARE SECURELY UNITED.
Claim 2
Independent Claim
70 words
A METHOD OF MARKING FIBROUS HOLLOW ARTICLES WHICH COMPRISES ACCRETING FIBROUS SEPARATE COMPONENT PARTS OF HOLLOW BODY IN PREDETERMINED SHAPES FROM A FIBER-LIQUID BATH, SAID PARTS DEFINING A SUBSTANTIALLY ENCLOSED HOLLOW SPACE BETWEEN THEN WHEN BROUGHT TOGETHER, BRINGING SAID ACCRETED COMPONENT PARTS TOGETHER WITHOUT REMOVING THEM FROM SAID BATH, AND THEREAFTER CONTINUING TO ACCRETE FIBERS ON THE INNER SURFACES OF THE RESULTANT HOLLOW ARTICLE UNTIL SAID PARTS ARE SECURELY UNITED.
References Cited (Backward Citations)
DE304442C
Cited
US549998A
Cited
US1367096A
Cited
US1342184A
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US1690528A
Cited
US1875075A
Cited
US1873585A
Cited
US2257573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |