US2850072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for laminating machines
Assignee: Harco Industries Inc
•
Filing: 1955-04-08
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Granted: 1958-09-02
•
Expires: 1975-04-08
Abstract
No abstract record available.
Inventors
- 👤 Gary W Bryans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:28
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/16; B32B37/18; B32B37/182; B32B37/185; B29; B29C; B29C43/00; B29C43/32; B29C43/34; B29C31/00; Y; Y10; Y10S; Y10S16/00; Y10S16/14; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US224239A
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US496399A
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US527689A
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US1525629A
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US1614601A
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US1751869A
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US2045705A
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US2431048A
Cited
US2620014A
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US2718030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |