US3410109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iceless freezer chest
Assignee: HOWARD R MARYLAND
•
Filing: 1967-01-09
•
Granted: 1968-11-12
•
Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Howard R Maryland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:57
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F25D3/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US966076A
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US2479867A
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US2610472A
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US2642728A
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US2715817A
Cited
US3174299A
Cited
US3109299A
Cited
US3258931A
Cited
US3246659A
Cited
US3257820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |