US2842472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven cloth
Assignee: Individual
•
Filing: 1955-10-05
•
Granted: 1958-07-08
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Fred W Hartstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:42
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/05; D03; D03D; D03D39/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24083; Y10T428/24091; Y10T428/24099; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1618903A
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US2732885A
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US638247A
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US2020892A
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US2266761A
Cited
US2704734A
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US2696243A
Cited
US2713012A
Cited
US2738298A
Cited
US2738296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |