Patent US3391510A successfully refreshed from Google Patents.
US3391510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contraction control joint
Assignee: Individual
•
Filing: 1966-05-26
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Granted: 1968-07-09
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Expires: 1986-05-26
Abstract
No abstract record available.
Inventors
- 👤 Arney J Harbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:49
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20575E
Cited
US1241405A
Cited
US1331834A
Cited
US1819304A
Cited
US3099110A
Cited
US3035375A
Cited
GB927663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |