US1211028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireproof composition.
Assignee: JOSEPH J SPOTTS
•
Filing: 1916-05-23
•
Granted: 1917-01-02
•
Expires: 1936-05-23
Abstract
No abstract record available.
Inventors
- 👤 Pasquale Zappi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:28
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/14
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) | 1920-01-02 | 1920-07-03 | 1921-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-02 | 1924-07-03 | 1925-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-02 | 1928-07-03 | 1929-01-02 | $7700.00 | Window Closed / Lapsed |