US3434092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airflow-electric coupling
Assignee: Hillshire Brands Co
•
Filing: 1967-06-26
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Granted: 1969-03-18
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Robert J Brown
- 👤 John J Kowalewski
- 👤 John J Moughty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:40
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/28; A47L9/2889; A47L9/2868; F; F16; F16L; F16L25/00; F16L25/01; H; H01; H01R; H01R13/00; H01R13/005; H01R13/44; H01R13/447; H01R13/453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2202989A
Cited
US2987751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |