US3422589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of lapped panels having flexible edge portions
Assignee: 3M Co
•
Filing: 1965-12-13
•
Granted: 1969-01-21
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 George C Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:28
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0864; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24752; Y10T428/2476; Y10T428/24777
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1100955A
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US1221370A
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US1593094A
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US2013330A
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US2192810A
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US3201136A
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US3312585A
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US3300927A
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US3237361A
Cited
US3300913A
Cited
US3319390A
Cited
US3332193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |