Patent US3257617A successfully refreshed from Google Patents.
US1278089A
Expired / Lapsed
US
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Perforating device.
Assignee: GENERAL ENGINEERING AND CONSTRUCTION COMPANY Ltd
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Filing: 1916-02-05
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Granted: 1918-09-10
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Expires: 1936-02-05
Abstract
No abstract record available.
Inventors
- 👤 Charles G Ashley
- 👤 Ernest T Byshe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:52
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/44; B41J3/50; H; H04; H04L; H04L17/00; H04L17/02; H04L17/04; H04L17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-09-09 | 1922-03-11 | 1922-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-09 | 1926-03-11 | 1926-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-09 | 1930-03-11 | 1930-09-10 | $7700.00 | Window Closed / Lapsed |