US1518894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-regulating means
Assignee: Vapor Car Heating Co Inc
•
Filing: 1918-02-08
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Granted: 1924-12-09
•
Expires: 1938-02-08
Abstract
No abstract record available.
Inventors
- 👤 William L Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0036
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) | 1927-12-09 | 1928-06-09 | 1928-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-09 | 1932-06-09 | 1932-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-09 | 1936-06-09 | 1936-12-09 | $7700.00 | Window Closed / Lapsed |