US2682703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying metal cases to bricks
Assignee: Harbison Walker Refractories Co
•
Filing: 1950-02-14
•
Granted: 1954-07-06
•
Expires: 1970-02-14
Abstract
No abstract record available.
Inventors
- 👤 Fred O Schob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:06
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/0018; B65; B65B; B65B11/00; B65B11/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49876; Y10T29/53; Y10T29/53657; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2259742A
Cited
US1720133A
Cited
US2160258A
Cited
US2192106A
Cited
US2216433A
Cited
US2203955A
Cited
US2198740A
Cited
US2225187A
Cited
US2337366A
Cited
US2334626A
Cited
US2480804A
Cited
US2457766A
Cited
US2487902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |