US2854188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric blower-vibrator
Assignee: Lockheed Martin Corp
•
Filing: 1956-05-07
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Granted: 1958-09-30
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Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 George J Shomphe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:38
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/08; F04D17/16; F04D17/162; F04D25/00; F04D25/02; F04D25/06; F04D25/0606; F04D25/0613; F04D25/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |