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US2101033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna belt
Assignee: WASHINGTON INST OF TECHNOLOGY
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Filing: 1934-05-21
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Granted: 1937-12-07
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Expires: 1954-05-21
Abstract
No abstract record available.
Inventors
- 👤 Sidney F Mashbir
- 👤 Frank G Kear
- 👤 Gomer L Davies
- 👤 William H Orton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:35
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/273
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) | 1940-12-06 | 1941-06-07 | 1941-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-06 | 1945-06-07 | 1945-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-06 | 1949-06-07 | 1949-12-07 | $7700.00 | Window Closed / Lapsed |