US3232819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breathable structures
Assignee: Kendall Co
•
Filing: 1960-05-23
•
Granted: 1966-02-01
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Satas Donatas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:14
CPC Classifications
B; B32; B32B; B32B27/00; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/56; D06; D06N; D06N3/00; D06N3/0086; D06N3/0088; D06N3/009; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24405; Y10T428/24438; Y10T428/26; Y10T428/268; Y10T428/31504; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A SHEET METAL HAVING FRONT AND REAR MAJOR FACES COMPRISING AN ASCRETION OF RANDOMLY ARRANGED OVERLAPPING, INTERSECTION AND INTERFITTING SOLID FILAMENTOUS STRANDS HAVING LENGTHS PREDOMINATELY IN THE RANGE OF 200 TO 2500 MICRONS AND DIAMETERS PREDOMINATELY 10 MICRONS AND LESS, AND IRREGULARLY SHAPED NODULAR PARTICLES, BOTH STRANDS AND PARTICLES, COMPRISING NORMALLY SOLID POLYMER, BEING COALESCED INTO A UNIFIED AIR-PERMEABLE STRUCTURE WHEREIN THE REAR FACE HAS THE GENERAL APPEARANCE OF THE FLESH SIDE OF TANNED LEATHER WITH AN UNEVEN LACY SURFACE
Claim 2
Dependent Claim
80 words
A SHEET METAL HAVING FRONT AND REAR MAJOR FACES COMPRISING AN ASCRETION OF RANDOMLY ARRANGED OVERLAPPING, INTERSECTION AND INTERFITTING SOLID FILAMENTOUS STRANDS HAVING LENGTHS PREDOMINATELY IN THE RANGE OF 200 TO 2500 MICRONS AND DIAMETERS PREDOMINATELY 10 MICRONS AND LESS, AND IRREGULARLY SHAPED NODULAR PARTICLES, BOTH STRANDS AND PARTICLES, COMPRISING NORMALLY SOLID POLYMER, BEING COALESCED INTO A UNIFIED AIR-PERMEABLE STRUCTURE WHEREIN THE REAR FACE HAS THE GENERAL APPEARANCE OF THE FLESH SIDE OF TANNED LEATHER WITH AN UNEVEN LACY SURFACE
References Cited (Backward Citations)
FR804987A
Cited
US2132399A
Cited
US2357392A
Cited
US2434231A
Cited
US2530441A
Cited
US2647101A
Cited
US2677626A
Cited
US2713078A
Cited
US2689799A
Cited
US2757100A
Cited
US2810426A
Cited
US2951005A
Cited
US2950752A
Cited
US2880112A
Cited
US2994617A
Cited
US3034915A
Cited
US3109750A
Cited
US3023124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |