Patent US1421633A successfully refreshed from Google Patents.
US1421633A
Expired / Lapsed
US
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Incense burner and perfumer
Assignee: WEIDLICH BROS Manufacturing CO
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Filing: 1921-03-31
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Granted: 1922-07-04
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Expires: 1941-03-31
Abstract
No abstract record available.
Inventors
- 👤 Weidlich Louis
- 👤 Alfred J Flauder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:49
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0033; Y; Y10; Y10S; Y10S362/00; Y10S362/806
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) | 1925-07-03 | 1926-01-02 | 1926-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-07-03 | 1930-01-02 | 1930-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-07-03 | 1934-01-02 | 1934-07-04 | $7700.00 | Window Closed / Lapsed |