Patent US2853714A successfully refreshed from Google Patents.
US2853714A
Expired / Lapsed
US
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Bathtub cover
Assignee: Individual
•
Filing: 1956-12-20
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Granted: 1958-09-30
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Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 John J Darmstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:21
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/001; Y; Y10; Y10S; Y10S4/00; Y10S4/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571335A
Cited
US2080601A
Cited
US2143267A
Cited
US2264672A
Cited
US2575236A
Cited
US2596735A
Cited
US2784418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |