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US1565819A
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Assignee: IRON WORKS Ltd
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Filing: 1922-06-29
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Granted: 1925-12-15
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Expires: 1942-06-29
Abstract
No abstract record available.
Inventors
- 👤 Malcolm B Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:01
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/028; F04B49/00; F04B49/12; F04B53/00; F04B53/10; F04B53/102; F04B53/1022; F04B53/1025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
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) | 1928-12-14 | 1929-06-15 | 1929-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-14 | 1933-06-15 | 1933-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-14 | 1937-06-15 | 1937-12-15 | $7700.00 | Window Closed / Lapsed |