US3394752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic curtain
Assignee: H O CANFIELD CO Inc
•
Filing: 1966-03-03
•
Granted: 1968-07-30
•
Expires: 1986-03-03
Abstract
No abstract record available.
Inventors
- 👤 Fred R Mcalarney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:09
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/262; B; B29; B29C; B29C48/00; B29C48/03; B29C48/12; B29C48/16; B29C48/18; B29C48/19; B29C48/07; B29C48/08; B29C48/17; B29L; B29L2031/00; B29L2031/719; E06B2009/2625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351656A
Cited
US2897515A
Cited
US2894573A
Cited
US3101485A
Cited
US3177926A
Cited
US3277952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |