US3543532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air return grille for an air curtain type refrigerated display case
Assignee: Security Pacific Business Credit Inc
•
Filing: 1968-11-25
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Granted: 1970-12-01
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Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Robert P Gatton
- 👤 Steven J Toth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:04
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2725726A
Cited
US2967404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |