US2858693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-cast sectional concrete structure
Assignee: CRESCENT SWIMMING POOLS Inc
•
Filing: 1955-07-06
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Granted: 1958-11-04
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Expires: 1975-07-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Levert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/32; E04B1/3211; E04H; E04H4/00; E04H4/0075; E04H4/0093; E04B2001/327; E04B2001/3276
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193862A
Cited
US698050A
Cited
US1809504A
Cited
US1963405A
Cited
US2103894A
Cited
US2617764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |