Patent US1394566A successfully refreshed from Google Patents.
US1394566A
Expired / Lapsed
US
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Perforating-machine
Assignee: AMERICAN PERFORATOR Co
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Filing: 1918-07-10
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Granted: 1921-10-25
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Expires: 1938-07-10
Abstract
No abstract record available.
Inventors
- 👤 Walter H Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:39
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/36; B41K3/38
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) | 1924-10-24 | 1925-04-25 | 1925-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-24 | 1929-04-25 | 1929-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-24 | 1933-04-25 | 1933-10-25 | $7700.00 | Window Closed / Lapsed |