Patent US2516265A successfully refreshed from Google Patents.
US846482A
Expired / Lapsed
US
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Method of forming perforated tubes and screens.
Assignee: Individual
•
Filing: 1905-06-19
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Granted: 1907-03-12
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Expires: 1925-06-19
Abstract
No abstract record available.
Inventors
- 👤 Mahlon E Layne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:08
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/26; B21C37/065; B21C37/08; B21C37/0815; B21C37/156; B21C37/157; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/49602
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) | 1910-03-11 | 1910-09-10 | 1911-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-03-11 | 1914-09-10 | 1915-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-03-11 | 1918-09-10 | 1919-03-12 | $7700.00 | Window Closed / Lapsed |