Patent US4229185A successfully refreshed from Google Patents.
Patent US2851390A successfully refreshed from Google Patents.
US2851390A
Expired / Lapsed
US
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Fabric and method of manufacture
Assignee: Individual
•
Filing: 1955-06-30
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Granted: 1958-09-09
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Marc A Chavannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
D; D06; D06M; D06M17/00; A; A41; A41D; A41D31/00; A41D31/04; A41D31/10; A41D31/102; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24479; Y10T428/24562; Y10T428/24744; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE METHOD OF MAKING A VENTILATED FABRIC OF WATERPROOF MATERIAL COMPRISING THE STEPS OF PERFORATING AT LEAST TWO LAYERS OF MATERIAL AND SEALING SAID LAYERS ONE TO THE OTHER IN OVERLYING RELATIONSHIP TO FORM A PLURALITY OF COMPLETELY ISOLATED COMPARTMENTS WITH THE PERFORATIONS IN SAID LAYERS BEING OFFSET AND AT LEAST ONE PERFORATION OF EACH LAYER COMMUNICATING WITH ONE OF SAID COMPARTMENTS.
Claim 2
Independent Claim
62 words
THE METHOD OF MAKING A VENTILATED FABRIC OF WATERPROOF MATERIAL COMPRISING THE STEPS OF PERFORATING AT LEAST TWO LAYERS OF MATERIAL AND SEALING SAID LAYERS ONE TO THE OTHER IN OVERLYING RELATIONSHIP TO FORM A PLURALITY OF COMPLETELY ISOLATED COMPARTMENTS WITH THE PERFORATIONS IN SAID LAYERS BEING OFFSET AND AT LEAST ONE PERFORATION OF EACH LAYER COMMUNICATING WITH ONE OF SAID COMPARTMENTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |