US3173993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile sync pulse generation system
Assignee: Hogan Faximile Corp
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Filing: 1961-10-31
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Granted: 1965-03-16
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 John W Smith
- 👤 Shaler David
- 👤 Hugh C Ressler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:14
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/32; H04N1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A FACSIMILE SYNC PULSE GENERATION SYSTEM COMPRISING A ROTATABLE DISC, MEANS FORMING RADIAL SCANNING SLITS ON THE DISC, MEANS FORMING A SYNC LIGHT SLIT AND A LINEAR SCANNING SLIT COOPERATING WITH THE RADIAL SCANNING SLITS, A SOURCE A SCANNING LIGHT PASSING THROUGH SAID COOPERATING SLITS AT A PREDETERMINED ANGLE, A SOURCE OF SYNC LIGHT, AND MEANS DIRECTING THE SYNC THROUGH THE SYNC LIGHT SLIT AT THE SAME ANGLE AS THE ANGLE OF THE SCANNING LIGHT PASSING THROUGH THE SCANNING SLITS.
Claim 2
Dependent Claim
80 words
A FACSIMILE SYNC PULSE GENERATION SYSTEM COMPRISING A ROTATABLE DISC, MEANS FORMING RADIAL SCANNING SLITS ON THE DISC, MEANS FORMING A SYNC LIGHT SLIT AND A LINEAR SCANNING SLIT COOPERATING WITH THE RADIAL SCANNING SLITS, A SOURCE A SCANNING LIGHT PASSING THROUGH SAID COOPERATING SLITS AT A PREDETERMINED ANGLE, A SOURCE OF SYNC LIGHT, AND MEANS DIRECTING THE SYNC THROUGH THE SYNC LIGHT SLIT AT THE SAME ANGLE AS THE ANGLE OF THE SCANNING LIGHT PASSING THROUGH THE SCANNING SLITS.
References Cited (Backward Citations)
US2173501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |