US2531931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite material
Assignee: Arkell Safety Bag Co
•
Filing: 1946-06-01
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Granted: 1950-11-28
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Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 William C Arkell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:28
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/16; D06M23/18; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/249921; Y10T428/249924; Y10T428/249926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
COMPOSITE MATERIAL OF THE CLASS DESCRIBED COMPRISING A WEB OF PAPER HAVING TRANSVERSELY EXTENDING CRINKLES TO PROVIDE FOR STRETCHABILITY LONGITUDINALLY OF THE WEB AND HAVING LONGITUDINALLY EXTENDING CORRUGATIONS TO PROVIDE FOR STRETCHABILITY TRANSVERSELY OF THE WEB, THE CORRUGATIONS BEING OF FLATTENED DOVE-TAIL FORM, AND A WEB OF NON-FELTED CARDED COTTON FIBERS ADHESIVELY SECURED TO THE CRESTS OF THE FLATTENED CORRUGATIONS AT EACH SIDE OF THE PAPER WEB, THE COTTON FIBERS EXTENDING GENERALLY LONGITUDINALLY OF THE WEB.
Claim 2
Dependent Claim
76 words
COMPOSITE MATERIAL OF THE CLASS DESCRIBED COMPRISING A WEB OF PAPER HAVING TRANSVERSELY EXTENDING CRINKLES TO PROVIDE FOR STRETCHABILITY LONGITUDINALLY OF THE WEB AND HAVING LONGITUDINALLY EXTENDING CORRUGATIONS TO PROVIDE FOR STRETCHABILITY TRANSVERSELY OF THE WEB, THE CORRUGATIONS BEING OF FLATTENED DOVE-TAIL FORM, AND A WEB OF NON-FELTED CARDED COTTON FIBERS ADHESIVELY SECURED TO THE CRESTS OF THE FLATTENED CORRUGATIONS AT EACH SIDE OF THE PAPER WEB, THE COTTON FIBERS EXTENDING GENERALLY LONGITUDINALLY OF THE WEB.
References Cited (Backward Citations)
US1231429A
Cited
US1212688A
Cited
US1301605A
Cited
US1906671A
Cited
US2139138A
Cited
US2190680A
Cited
US2117418A
Cited
GB487709A
Cited
US2336797A
Cited
US2444115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |