US1370974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating-pane
Assignee: Individual
•
Filing: 1919-01-13
•
Granted: 1921-03-08
•
Expires: 1939-01-13
Abstract
No abstract record available.
Inventors
- 👤 Ivan M Kirlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/6612; C; C03; C03B; C03B23/00; C03B23/20; C03B23/24; C03B23/245; E06B3/663; E06B3/66304; Y; Y02; Y02A; Y02A30/00; Y02A30/24; Y02A30/249; Y02B; Y02B80/00; Y02B80/22
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) | 1924-03-07 | 1924-09-06 | 1925-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-07 | 1928-09-06 | 1929-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-07 | 1932-09-06 | 1933-03-08 | $7700.00 | Window Closed / Lapsed |