US1480463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body for filling columns, towers, etc.
Assignee: FIRM GUSTAV WEINMANN
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Filing: 1921-03-25
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Granted: 1924-01-08
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Expires: 1941-03-25
Abstract
No abstract record available.
Inventors
- 👤 Petzel Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:57
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/3023; B01J2219/30273; B01J2219/304; B01J2219/30408; B01J2219/30416; B01J2219/30433; Y; Y10; Y10S; Y10S261/00; Y10S261/72
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) | 1927-01-07 | 1927-07-09 | 1928-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-01-07 | 1931-07-09 | 1932-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-01-07 | 1935-07-09 | 1936-01-08 | $7700.00 | Window Closed / Lapsed |