US2422676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for producing a waterproof seam for polyvinyl resinous coated fabrics
Assignee: WARREN FEATHERBONC CO
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Filing: 1944-06-09
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Granted: 1947-06-24
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Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Howard H Haman
- 👤 John A Ritzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:17
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; A; A41; A41D; A41D27/00; A41D27/24; B29C37/00; B29C37/0078; B29C37/0082; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/50; B29C65/5007; B29C65/5021; B29C65/5028; B29C65/5042; B29C65/5092; B29C65/56; B29C65/62; B29C65/72; B29C66/01; B29C66/03; B29C66/038; B29C66/0384; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/135; B29C66/346; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/72; B29C66/723; B29C66/7234; B29C66/72343; B29C66/729; B29C66/7292; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/8226; B29C66/83417; B29K; B29K2313/00; B29K2313/02; B29K2995/00; B29K2995/0037; B29K2995/0068; B29K2995/0069; Y; Y10; Y10T; Y10T156/00; Y10T156/15; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1739
Claims Analysis
Total Claims: 0
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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) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |