US3523473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for spreading flexible sheet material
Assignee: Blue Bell Inc
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Filing: 1967-04-24
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Granted: 1970-08-11
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Expires: 1987-04-24
Abstract
No abstract record available.
Inventors
- 👤 Gilbert F Norcross
- 👤 Fred Birdsong
- 👤 Martin L Wimbs
- 👤 Homer B Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:48
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/0028; B60C17/00; B60C7/00; B60C7/22; B60C9/18; B60C9/1821; B65; B65H; B65H45/00; B65H45/02; B65H45/06; B65H45/10; B65H45/101; B65H45/103; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0419; Y10T83/0424; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |