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US2215894A
Expired / Lapsed
US
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Ironclad door
Assignee: JAMES Manufacturing CO
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Filing: 1938-06-11
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Granted: 1940-09-24
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Expires: 1958-06-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Waterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/30; E06B3/301; E06B3/302; E06B3/70; E06B3/72; E06B5/00; E06B5/10; E06B5/16; E06B2003/7049; E06B2003/7053; E06B2003/7059; E06B2003/709
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) | 1943-09-24 | 1944-03-25 | 1944-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-24 | 1948-03-25 | 1948-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-24 | 1952-03-25 | 1952-09-24 | $7700.00 | Window Closed / Lapsed |