US2493749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional hospital tent
Assignee: Individual
•
Filing: 1945-08-11
•
Granted: 1950-01-10
•
Expires: 1965-08-11
Abstract
No abstract record available.
Inventors
- 👤 Walter R Brown
- 👤 Roy E Lushbaugh
- 👤 John W Cull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:53
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/54; E04H15/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426659A
Cited
US844632A
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US998915A
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US1045132A
Cited
US1061547A
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US1494050A
Cited
US1377788A
Cited
US1730565A
Cited
US1833096A
Cited
US1856658A
Cited
US2345377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |