US1554501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock-proofing-mounting means for vacuum tubes
Assignee: FED TELEPHONE Manufacturing CORP
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Filing: 1924-11-08
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Granted: 1925-09-22
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Expires: 1944-11-08
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C F Horle
- 👤 Heyman Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:30
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/02; F; F16; F16F; F16F15/00; F16F15/02; F16F15/04; F16F15/06; F16F15/067
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) | 1928-09-21 | 1929-03-23 | 1929-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-09-21 | 1933-03-23 | 1933-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-09-21 | 1937-03-23 | 1937-09-22 | $7700.00 | Window Closed / Lapsed |