US3033721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for producing nonwoven fabric and resulting product
Assignee: Chicopee Manufacturing Corp
•
Filing: 1958-08-14
•
Granted: 1962-05-08
•
Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 Kalwaites Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
D; D21; D21F; D21F11/00; D21F11/008; B; B30; B30B; B30B9/00; B30B9/02; B30B9/24; B30B9/241; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48; D04H1/49; D04H1/492; D04H1/495; D04H1/70; D04H1/72; D04H1/736; D04H18/00; D04H18/04; D21F11/006; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/29; Y10T442/00; Y10T442/10; Y10T442/184; Y10T442/60; Y10T442/69; Y10T83/00; Y10T83/04; Y10T83/0591; Y10T83/364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A FORAMINOUS NONWOVEN THREE-DIMESIONAL FABRIC COMPRISING FIBERS IN MECHANICAL ENGAGEMENT ONE WITH ANOTHER AND ARRANGED FLATWISE IN BUNDLES INTERCONNECTED AT JUNCTURES BY PROTUBERANT PIVOTAL PACKINGS OF FIBERS PROTRUDING OUT OF THE PLANE OF SAID FLATWISE BUNDLES TO DEFINE A PREDETERMINED PATTERN IN WHICH SAID INTERCONNECTED BUNDLES AND PIVOTAL PACKINGS DEFINE AREAS SUBSTANTIALLY FREE OF FIBERS.
Claim 2
Dependent Claim
55 words
A FORAMINOUS NONWOVEN THREE-DIMESIONAL FABRIC COMPRISING FIBERS IN MECHANICAL ENGAGEMENT ONE WITH ANOTHER AND ARRANGED FLATWISE IN BUNDLES INTERCONNECTED AT JUNCTURES BY PROTUBERANT PIVOTAL PACKINGS OF FIBERS PROTRUDING OUT OF THE PLANE OF SAID FLATWISE BUNDLES TO DEFINE A PREDETERMINED PATTERN IN WHICH SAID INTERCONNECTED BUNDLES AND PIVOTAL PACKINGS DEFINE AREAS SUBSTANTIALLY FREE OF FIBERS.
References Cited (Backward Citations)
US2733998A
Cited
US2086592A
Cited
US1810145A
Cited
US1978620A
Cited
US2213883A
Cited
US2281945A
Cited
US2308849A
Cited
US2517529A
Cited
US2705688A
Cited
US2838416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |