Patent US1298752A successfully refreshed from Google Patents.
US3471985A
Expired / Lapsed
US
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Mullion
Assignee: CRAIG W LINDELOW
•
Filing: 1966-10-07
•
Granted: 1969-10-14
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Craig W Lindelow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:48
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/88; E04B2/96; E04B2/967; E04B2/56; E04B2/58; E04B2/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079635A
Cited
CH179707A
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US2124354A
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US2263355A
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US2765886A
Cited
US2731118A
Cited
US2885040A
Cited
US3039232A
Cited
US3096861A
Cited
FR1313393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |