Patent US3089317A successfully refreshed from Google Patents.
US3089317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanging attachment for receptacles
Assignee: Individual
•
Filing: 1960-08-05
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Granted: 1963-05-14
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Charles J Bufalini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:58
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/12; A47G19/127; F; F25; F25D; F25D3/00; F25D2303/00; F25D2303/08; F25D2303/083; F25D2303/0831; F25D2303/084; F25D2303/0845; F25D2331/00; F25D2331/80; F25D2331/809; F25D2331/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |