US3478397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brick cutter and hacker
Assignee: PEARNE & LACY MACHINE COMPANY INC A CORP OF N C
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Filing: 1965-08-11
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Granted: 1969-11-18
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Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Florentin J Pearne
- 👤 Frank S Pearne
- 👤 Frederick G Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:21
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/20; B65G57/22; B65G57/26; B28; B28B; B28B11/00; B28B11/14; B28B11/16; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |