US3468998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing bricks and thereafter hacking the same
Assignee: Individual
•
Filing: 1966-10-03
•
Granted: 1969-09-23
•
Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Johann Lingl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:21
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/14; B28B11/16; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/20; B65G57/22; B65G57/26; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2046; Y10T83/2048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1469852A
Cited
US2456327A
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US2955717A
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US3039593A
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US3080070A
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US3032851A
Cited
US3350757A
Cited
US3347397A
Cited
US3402834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |