US3416165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool construction
Assignee: WEATHERKING PRODUCTS Inc
•
Filing: 1966-12-05
•
Granted: 1968-12-17
•
Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 John P Pereira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/141; E04H4/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1631051A
Cited
US1693695A
Cited
US2490272A
Cited
US2869140A
Cited
US3167204A
Cited
US3142069A
Cited
US3276043A
Cited
US3274621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |