US3412409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional swimming pool cover
Assignee: HARRY E PUTNEY
•
Filing: 1965-12-30
•
Granted: 1968-11-26
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Harry E Putney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:03
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2958872A
Cited
US3091777A
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US3038171A
Cited
US3052893A
Cited
US3148384A
Cited
US3148383A
Cited
US3242503A
Cited
US3241157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |