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US2836239A
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Apparatus for the processing of slide fasteners
Assignee: Conmar Products Corp
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Filing: 1955-06-02
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Granted: 1958-05-27
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Expires: 1975-06-02
Abstract
No abstract record available.
Inventors
- 👤 Max F Johns
- 👤 La Moine E Johns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:21
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/58; A41; A41H; A41H37/00; A41H37/06; Y; Y10; Y10S; Y10S83/00; Y10S83/921; Y10T; Y10T29/00; Y10T29/53; Y10T29/53291; Y10T29/53309; Y10T83/00; Y10T83/343; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/566; Y10T83/5669; Y10T83/576; Y10T83/5769; Y10T83/5778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2336662A
Cited
US2521688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |