US1723945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1927-09-03
•
Granted: 1929-08-06
•
Expires: 1947-09-03
Abstract
No abstract record available.
Inventors
- 👤 John T Mccutcheon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:22
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/08; B01D39/083; B01D25/00; B01D25/22; B01D25/24; B01D27/00; B01D27/005; B01D27/04; B01D27/06; B01D27/08; B01D27/10; B01D35/00; B01D35/14; B01D35/147; B01D39/10; B01D2239/00; B01D2239/06; B01D2239/069; B01D2239/0695
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) | 1932-08-05 | 1933-02-04 | 1933-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-05 | 1937-02-04 | 1937-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-05 | 1941-02-04 | 1941-08-06 | $7700.00 | Window Closed / Lapsed |