US1014972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar heater.
Assignee: Individual
•
Filing: 1911-06-28
•
Granted: 1912-01-16
•
Expires: 1931-06-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:15
CPC Classifications
F; F24; F24S; F24S23/00; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1915-01-15 | 1915-07-17 | 1916-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-01-15 | 1919-07-17 | 1920-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-01-15 | 1923-07-17 | 1924-01-16 | $7700.00 | Window Closed / Lapsed |