Patent US3498588A successfully refreshed from Google Patents.
US3498588A
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Assignee: TURNER JR ARVIN W
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Filing: 1968-12-27
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Granted: 1970-03-03
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Expires: 1988-12-27
Abstract
No abstract record available.
Inventors
- 👤 Arvin William Turner Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:02
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2207; E04H12/2215; E04H17/00; E04H17/02; E04H17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US203804A
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US405445A
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US495471A
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US542976A
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FR425328A
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US1031941A
Cited
US2001719A
Cited
GB457083A
Cited
US3021114A
Cited
US3166869A
Cited
US3345774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |