US3380146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contamation barrier and method
Assignee: Battelle Development Corp
•
Filing: 1965-10-19
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Granted: 1968-04-30
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Henry W Babel
- 👤 Robert I Jaffee
- 👤 Bernard B Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:02
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; B21; B21D; B21D47/00; B23K20/18; B23K20/22; B23K20/233; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T428/00; Y10T428/12; Y10T428/12458; Y10T428/12493; Y10T428/12632; Y10T428/12771; Y10T428/12806; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2932885A
Cited
US2159043A
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US2438759A
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US2423810A
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US2908969A
Cited
US2851770A
Cited
US3044160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |