Patent EP0315371A2 successfully refreshed from Google Patents.
US3037591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall construction
Assignee: Kawneer Co Inc
•
Filing: 1956-10-02
•
Granted: 1962-06-05
•
Expires: 1976-10-02
Abstract
No abstract record available.
Inventors
- 👤 Pulling Lewis Laverne
- 👤 Dan C Muessel
- 👤 Herbert S Wille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:10
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/88; E04B2/96; E04B2/965
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA520859A
Cited
US961728A
Cited
US2119685A
Cited
US2351127A
Cited
US2701041A
Cited
US2595665A
Cited
US2667242A
Cited
US2714432A
Cited
US2916108A
Cited
US2798578A
Cited
US2793406A
Cited
US2843233A
Cited
US2765057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |