Patent US3386223A successfully refreshed from Google Patents.
US3386223A
Expired / Lapsed
US
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Method of joining drywall panels
Assignee: 3M Co
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Filing: 1966-02-01
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Granted: 1968-06-04
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Wegwerth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:43
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C04; C04B; C04B26/00; C04B26/02; C09J157/00; C04B2111/00; C04B2111/00474; C04B2111/00482; C04B2111/00663; C04B2111/00672; C04B2111/00681; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/54; Y; Y10; Y10S; Y10S264/00; Y10S264/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2396607A
Cited
US2487207A
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US2544146A
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US2797201A
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US2806509A
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US3053676A
Cited
US3003979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |