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Patent US1915922A successfully refreshed from Google Patents.
US1915922A
Expired / Lapsed
US
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Mothproofing
Assignee: Wyeth Holdings LLC
•
Filing: 1931-03-02
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Granted: 1933-06-27
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Expires: 1951-03-02
Abstract
No abstract record available.
Inventors
- 👤 Ludwig J Christmann
- 👤 Jr David W Jayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:17
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12; Y; Y10; Y10S; Y10S428/00; Y10S428/907
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) | 1936-06-26 | 1936-12-26 | 1937-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-26 | 1940-12-26 | 1941-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-26 | 1944-12-26 | 1945-06-27 | $7700.00 | Window Closed / Lapsed |