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US2917426A Expired / Lapsed US ⏱️ 0.0 years remaining

Felted products and processes containing fibrous boehmite

Assignee: EIDP Inc
•
Filing: 1958-09-26
•
Granted: 1959-12-15
•
Expires: 1978-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Bugosh John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 07:10
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/18; D21H13/00; D21H13/36; Y; Y10; Y10T; Y10T442/00; Y10T442/50; Y10T442/51

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 34 words
A FELTED PRODUCT CONTAINING AT LEAST ONE WEIGHT PERCENT OF FIBERS BONDED INTO SUCH FELTED PRODUCT WITH FROM 1 TO 99 WEIGHT PERCENT OF FIBROUS BOEHMITE BASED ON THE TOTAL WEIGHT OF FELTED PRODUCT.

References Cited (Backward Citations)

US2266637A Cited
US2334572A Cited
US2377547A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-12-14 1963-06-15 1963-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-12-14 1967-06-15 1967-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-12-14 1971-06-15 1971-12-15 $7700.00 Window Closed / Lapsed

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