US2976101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drop guards for refrigerator door shelves
Assignee: Individual
•
Filing: 1957-10-25
•
Granted: 1961-03-21
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 William J Rooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:47
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/02; F25D23/04; F25D2331/00; F25D2331/80; F25D2331/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1239733A
Cited
US1560960A
Cited
US2155967A
Cited
US2408704A
Cited
US2440549A
Cited
US2767042A
Cited
US2828178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |