US2963882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial air flow refrigeration evaporator with means for heating the drip pan
Assignee: Kramer Trenton Co
•
Filing: 1958-06-04
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Granted: 1960-12-13
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Expires: 1978-06-04
Abstract
No abstract record available.
Inventors
- 👤 Malkoff Hyman
- 👤 Frie George
- 👤 Daniel E Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:25
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/14; F25D17/00; F25D17/04; F25D17/06; F25D17/067; F25D2317/00; F25D2317/06; F25D2317/068; F25D2317/0681; F25D2317/0683; F25D2321/00; F25D2321/14; F25D2321/141; F25D2321/1412; F25D2321/143; F28; F28D; F28D1/00; F28D1/02; F28D2001/0253; F28D2001/026; F28D2001/0273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2266373A
Cited
US2592394A
Cited
US2637983A
Cited
US2688850A
Cited
US2759339A
Cited
US2773364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |