US2990556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool cover
Assignee: Individual
•
Filing: 1959-05-29
•
Granted: 1961-07-04
•
Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Emil A Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:54
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/08; E04H4/088; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1723307A
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US2175605A
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US2335361A
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US2699827A
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US2753828A
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US2789668A
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CH309478A
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US2788849A
Cited
US2708779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |