Patent US3109876A successfully refreshed from Google Patents.
US3109876A
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Tower packing
Assignee: Dow Chemical Co
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Filing: 1960-10-06
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Granted: 1963-11-05
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Delmer H Moeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:25
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; C; C02; C02F; C02F3/00; C02F3/02; C02F3/10; C02F3/101; F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; F28F25/087; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32203; B01J2219/3221; B01J2219/32213; B01J2219/32224; B01J2219/32227; B01J2219/32265; B01J2219/32268; B01J2219/32272; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
IN A TOWER FOR THE CONTACT OF A LIQUID WITH A GAS EMPLOYING AS A PACKING MATERIAL A PLURALITY OF HORIZONTAL LAYERS OF TOWER PACKING BUNDLES, SAID BUNDLES BEING SELFSUPPORTING, EACH OF SAID LAYERS BEING COMPOSED OF A PLURALITY OF SAID BUNDLES, SAID BUNDLES CONSISTING ESSENTIALLY OF A PLURALITY OF GENERALLY PARALLEL THERMOPLASTIC LAMINA, SAID LAMINA LYING IN A SUBSTANTIALLY VERTICAL PLANE, THE IMPROVEMENT WHICH COMPRISES: THE PARALLEL LAMINO OF EACH BUNDLE BEING DISPOSED SUBSTANTIALLY NORMAL TO THE LAMINA OF ADJACENT BUNDLES, VERTICALLY ADJACENT BUNDLES ARE DISPLACED FROM A VERTICAL LINE PASSING THROUGH THE CENTERS OF THE VERTICALLY ADJACENT BUNDLES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |