US3303085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecular sieves and methods for producing same
Assignee: General Electric Co
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Filing: 1962-02-28
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Granted: 1967-02-07
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Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 Paul B Price
- 👤 Robert M Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:21
CPC Classifications
B; B01; B01D; B01D67/00; B01D67/0002; B01D67/0023; B01D67/0032; B01J; B01J19/00; B01J19/08; B01J19/081; G; G01; G01T; G01T5/00; G01T5/10; G21; G21H; G21H5/00; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; H01J29/416; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24479
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A BODY SUITABLE FOR USE AS A MOLECULAR SIEVE COMPRISING A SHEET HAVING A PLURALITY OF STRAIGHT-THROUGH APERTURES OPENING THROUGH THE TOP AND BOTTOM SURFACES OF THE SHEET, SAID APERTURES BEING OF MINIMUM TRANSXIAL DIMENSION BETWEEN ABOUT FIVE AND ABOUT 20,000 ANGSTROMS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |