US3376406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freezer belt defroster unit
Assignee: HERBERT B PHELPS
•
Filing: 1965-07-26
•
Granted: 1968-04-02
•
Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:41
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/06; F25D21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1235027A
Cited
US2533125A
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US2668364A
Cited
US3023296A
Cited
US3252691A
Cited
US3226947A
Cited
US3224216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |